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http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#SNOBOL4
SNOBOL4
greet1 = "Hello, " output = greet1 greet2 = greet1 "World!" output = greet2 end
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Sparkling
Sparkling
let s1 = "Hello"; let s2 = " world!"; print(s1 .. s2); // prints "Hello world!"
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Standard_ML
Standard ML
val s = "hello" val s1 = s ^ " literal\n" val () = print (s ^ " literal\n"); print s1
http://rosettacode.org/wiki/Sum_multiples_of_3_and_5
Sum multiples of 3 and 5
Task The objective is to write a function that finds the sum of all positive multiples of 3 or 5 below n. Show output for n = 1000. This is is the same as Project Euler problem 1. Extra credit: do this efficiently for n = 1e20 or higher.
#zkl
zkl
[3..999,3].reduce('+,0) + [5..999,5].reduce('+,0) - [15..999,15].reduce('+,0) 233168
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Picat
Picat
go => S = "Picat is fun", N = 3, M = 4, C = 'i', % must be a char SS = "is", test(S,N,M,C,SS).   test(S,N,M,C,SS) => println($test(S,N,M,C,SS)),    % - starting from n characters in and of m length; println(1=slice(S,N,N+M)), println(1=S[N..N+M]),    % - starting from n characters in, up to the en...
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PicoLisp
PicoLisp
(let Str (chop "This is a string") (prinl (head 4 (nth Str 6))) # From 6 of 4 length (prinl (nth Str 6)) # From 6 up to the end (prinl (head -1 Str)) # Minus last character (prinl (head 8 (member "s" Str))) # From character "s" of length 8 (prinl ...
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#Trith
Trith
[1 2 3 4 5] 0 [+] foldl
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#True_BASIC
True BASIC
DIM array(1 TO 5) DATA 1, 2, 3, 4, 5 FOR index = LBOUND(array) TO UBOUND(array) READ array(index) NEXT index   LET sum = 0 LET prod = 1 FOR index = LBOUND(array) TO UBOUND(array) LET sum = sum + array(index) LET prod = prod * array(index) NEXT index PRINT "The sum is "; sum PRINT "and the product is "; prod...
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Potion
Potion
sum = 0.0 1 to 1000 (i): sum = sum + 1.0 / (i * i). sum print
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#PowerShell
PowerShell
$x = 1..1000 ` | ForEach-Object { 1 / ($_ * $_) } ` | Measure-Object -Sum Write-Host Sum = $x.Sum
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Pop11
Pop11
lvars str = 'alphaBETA'; lowertoupper(str) => uppertolower(str) =>
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Potion
Potion
lowercase = (str) : low = ("") str length times (i) : low append(if (65 <= str(i) ord and str(i) ord <= 90) : "abcdefghijklmnopqrstuvwxyz"(str(i) ord - 65) . else : str(i) .) . low join("") . uppercase = (str) : upp = ("") str length times (i) : upp append(if ...
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PHP
PHP
<?php /********************************************************************************** * This program gets needle and haystack from the caller (chm.html) (see below) * and checks for occurrences of the needle in the haystack * 02.05.2013 Walter Pachl * Comments or Suggestions welcome ********************************...
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Nim
Nim
import strformat, unicode   var s: string = "Hello, world! ☺"   echo &"“{s}” has byte length {s.len}." echo &"“{s}” has Unicode char length {s.runeLen}."
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Oberon-2
Oberon-2
MODULE Size;   IMPORT Out;   VAR s: LONGINT; string: ARRAY 5 OF CHAR;   BEGIN string := "Foo"; s := LEN(string); Out.String("Size: "); Out.LongInt(s,0); Out.Ln; END Size.
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Stata
Stata
sca a = "foo" sca b = "bar" sca c = a+b di c foobar
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Swift
Swift
let s = "hello" println(s + " literal") let s1 = s + " literal" println(s1)
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Symsyn
Symsyn
  | concatenate a string   'The quick brown fox ' $s + 'jumped over the lazy moon.' $s $s []    
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PL.2FI
PL/I
  s='abcdefghijk'; n=4; m=3; u=substr(s,n,m); u=substr(s,n); u=substr(s,1,length(s)-1); u=left(s,length(s)-1); u=substr(s,1,length(s)-1); u=substr(s,index(s,'g'),m);  
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PowerShell
PowerShell
# test string $s = "abcdefgh" # test parameters $n, $m, $c, $s2 = 2, 3, [char]'d', $s2 = 'cd'   # starting from n characters in and of m length # n = 2, m = 3 $s.Substring($n-1, $m) # returns 'bcd'   # starting from n characters in, up to the end of the string # n = 2 $s.Substring($n-1) # ...
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#TUSCRIPT
TUSCRIPT
  $$ MODE TUSCRIPT list="1'2'3'4'5" sum=SUM(list) PRINT " sum: ",sum   product=1 LOOP l=list product=product*l ENDLOOP PRINT "product: ",product  
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#UNIX_Shell
UNIX Shell
sum=0 prod=1 list="1 2 3" for n in $list do sum="$(($sum + $n))"; prod="$(($prod * $n))" done echo $sum $prod
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Prolog
Prolog
sum(S) :- findall(L, (between(1,1000,N),L is 1/N^2), Ls), sumlist(Ls, S).  
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Powerbuilder
Powerbuilder
string ls_string ls_string = 'alphaBETA' ls_string = Upper(ls_string) ls_string = Lower(ls_string)
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#PowerShell
PowerShell
  $string = 'alphaBETA' $lower = $string.ToLower() $upper = $string.ToUpper() $title = (Get-Culture).TextInfo.ToTitleCase($string)   $lower, $upper, $title  
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Picat
Picat
import util.   go => S1 = "string second", S2 = "string",    % - Determining if the first string starts with second string println("Using find/4"), if find(S1,S2,1,_) then println("S1 starts with S2") else println("S1 does not start with S2") end,   println("Using append/3"), if append(S2,_,S1...
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PicoLisp
PicoLisp
: (pre? "ab" "abcd") -> "abcd" : (pre? "xy" "abcd") -> NIL   : (sub? "bc" "abcd") -> "abcd" : (sub? "xy" "abcd") -> NIL   : (tail (chop "cd") (chop "abcd")) -> ("c" "d") : (tail (chop "xy") (chop "abcd")) -> NIL     (de positions (Pat Str) (setq Pat (chop Pat)) (make (for ((I . L) (chop Str) L (cdr L)) ...
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Objeck
Objeck
  "Foo"->Size()->PrintLine();  
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Objective-C
Objective-C
// Return the length in characters // XXX: does not (always) count Unicode characters (code points)! unsigned int numberOfCharacters = [@"møøse" length]; // 5
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Tailspin
Tailspin
  def a: 'Hello'; '$a;, World!' -> !OUT::write  
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Tcl
Tcl
set s hello puts "$s there!" append s " there!" puts $s
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#TI-83_BASIC
TI-83 BASIC
"HELLO"→Str0 Str0+" WORLD!"→Str0
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Prolog
Prolog
  substring_task(Str, N, M, Char, SubStr) :- sub_string(Str, N, M, _, Span), sub_string(Str, N, _, 0, ToEnd), sub_string(Str, 0, _, 1, MinusLast), string_from_substring_to_m(Str, Char, M, FromCharToMth), string_from_substring_to_m(Str, SubStr, M, FromSubToM), maplist( writeln, [ 'fro...
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#UnixPipes
UnixPipes
prod() { (read B; res=$1; test -n "$B" && expr $res \* $B || echo $res) }   sum() { (read B; res=$1; test -n "$B" && expr $res + $B || echo $res) }   fold() { (func=$1; while read a ; do fold $func | $func $a ; done) }     (echo 3; echo 1; echo 4;echo 1;echo 5;echo 9) | tee >(fold sum) >(fold prod) > /dev/nu...
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#PureBasic
PureBasic
Define i, sum.d   For i=1 To 1000 sum+1.0/(i*i) Next i   Debug sum
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Python
Python
print ( sum(1.0 / (x * x) for x in range(1, 1001)) )
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Python
Python
s = "alphaBETA" print s.upper() # => "ALPHABETA" print s.lower() # => "alphabeta"   print s.swapcase() # => "ALPHAbeta"   print "fOo bAR".capitalize() # => "Foo bar" print "fOo bAR".title() # => "Foo Bar"   import string print string.capwords("fOo bAR") # => "Foo Bar"
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#QB64
QB64
DIM s AS STRING * 9 s = "alphaBETA" PRINT "The original string: " + s PRINT "" PRINT "Translated to lowercase: " + LCASE$(s) PRINT "Translated to uppercase: " + UCASE$(s)
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PL.2FI
PL/I
  /* Let s be one string, t be the other that might exist within s. */ /* 8-1-2011 */ k = index(s, t); if k = 0 then put skip edit (t, ' is nowhere in sight') (a); else if k = 1 then put skip edit (t, ' starts at the beginning of ', s) (a); else if k+length(t)-...
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PowerShell
PowerShell
  "spicywiener".StartsWith("spicy") "spicywiener".Contains("icy") "spicywiener".EndsWith("wiener") "spicywiener".IndexOf("icy") [regex]::Matches("spicywiener", "i").count  
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#OCaml
OCaml
String.length "Hello world" ;;
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Octave
Octave
s = "string"; stringlen = length(s)
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#TI-89_BASIC
TI-89 BASIC
"aard" → sv Disp sv & "vark" sv & "wolf" → sv2
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#TorqueScript
TorqueScript
%string = "Hello"; echo(%string); %other = " world!"; echo(%other); echo(%string @ %other);
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#TUSCRIPT
TUSCRIPT
$$ MODE TUSCRIPT s = "Hello " print s, "literal"   s1 = CONCAT (s,"literal") print s1
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PureBasic
PureBasic
If OpenConsole()   Define baseString.s, m, n   baseString = "Thequickbrownfoxjumpsoverthelazydog." n = 12 m = 5   ;Display the substring starting from n characters in and of m length. PrintN(Mid(baseString, n, m))   ;Display the substring starting from n characters in, up to the end of the string. Print...
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#Ursa
Ursa
declare int<> stream append 34 76 233 8 2 734 56 stream   # outputs 1143 out (+ stream) endl console   # outputs 3.95961079808E11 out (* stream) endl console
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#Ursala
Ursala
#import nat #cast %nW   sp = ^(sum:-0,product:-1) <62,43,46,40,29,55,51,82,59,92,48,73,93,35,42,25>
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Q
Q
sn:{sum xexp[;-2] 1+til x} sn 1000
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Quackery
Quackery
[ $ "bigrat.qky" loadfile ] now!   [ 0 n->v rot times [ i^ 1+ 2 ** n->v 1/v v+ ] ] is sots ( n --> n/d )   1000 sots 2dup proper 1000000 round improper   say "Sum of the series to n=1000." cr cr say "As a proper fraction, best approximation where the denominator does not exceed 1 million." cr cr...
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Quackery
Quackery
[ $ "" swap witheach [ upper join ] ] is upper$ ( $ --> $ )   [ $ "" swap witheach [ lower join ] ] is lower$ ( $ --> $ )   $ "PaTrIcK, I dOn'T tHiNk WuMbO iS a ReAl wOrD." dup lower$ echo$ cr upper$ echo$ cr
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#R
R
str <- "alphaBETA" toupper(str) tolower(str)
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Prolog
Prolog
  :- system:set_prolog_flag(double_quotes,codes) .   :- [library(lists)] .   %! starts_with(FIRSTz,SECONDz) % % True if `SECONDz` is the beginning of `FIRSTz` .   starts_with(FIRSTz,SECONDz) :- lists:append(SECONDz,_,FIRSTz) .   %! contains(FIRSTz,SECONDz) % % True once if `SECONDz` is contained within `FIRSTz` at on...
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Oforth
Oforth
  ; Character length (print (string-length "Hello, wørld!")) ; ==> 13   ; Byte (utf-8 encoded) length (print (length (string->bytes "Hello, wørld!"))) ; ==> 14  
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Ol
Ol
  ; Character length (print (string-length "Hello, wørld!")) ; ==> 13   ; Byte (utf-8 encoded) length (print (length (string->bytes "Hello, wørld!"))) ; ==> 14  
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#UNIX_Shell
UNIX Shell
s="hello" echo "$s literal" s1="$s literal" # This method only works with a space between the strings echo $s1   # To concatenate without the space we need squiggly brackets: genus='straw' fruit=${genus}berry # This outputs the word strawberry echo $fruit
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#UnixPipes
UnixPipes
echo "hello" | xargs -n1 -i echo {} literal
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Ursa
Ursa
decl string s1 s2 # make s1 contain "hello " set s1 "hello "   # set s2 to contain s1 and "world" set s2 (+ s1 "world")   # outputs "hello world" out s2 endl console
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Python
Python
>>> s = 'abcdefgh' >>> n, m, char, chars = 2, 3, 'd', 'cd' >>> # starting from n=2 characters in and m=3 in length; >>> s[n-1:n+m-1] 'bcd' >>> # starting from n characters in, up to the end of the string; >>> s[n-1:] 'bcdefgh' >>> # whole string minus last character; >>> s[:-1] 'abcdefg' >>> # starting from a known cha...
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#V
V
[sp dup 0 [+] fold 'product=' put puts 1 [*] fold 'sum=' put puts].
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#Vala
Vala
void main() { int sum = 0, prod = 1; int[] data = { 1, 2, 3, 4 }; foreach (int val in data) { sum += val; prod *= val; } print(@"sum: $(sum)\nproduct: $(prod)"); }
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#R
R
print( sum( 1/seq(1000)^2 ) )
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Racket
Racket
  #lang typed/racket   (: S : Natural -> Real) (define (S n) (for/sum: : Real ([k : Natural (in-range 1 (+ n 1))]) (/ 1.0 (* k k))))  
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Racket
Racket
#lang racket (define example "alphaBETA")   (string-upcase example) ;"ALPHABETA" (string-downcase example) ;"alphabeta" (string-titlecase example) ;"Alphabeta"
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Raku
Raku
my $word = "alpha BETA" ; say uc $word; # all uppercase (subroutine call) say $word.uc; # all uppercase (method call) # from now on we use only method calls as examples say $word.lc; # all lowercase say $word.tc; # first letter titlecase say $word.tclc; # first letter titlecase, re...
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#PureBasic
PureBasic
Procedure StartsWith(String1$, String2$) Protected Result If FindString(String1$, String2$, 1) =1 ; E.g Found in possition 1 Result =CountString(String1$, String2$) EndIf ProcedureReturn Result EndProcedure   Procedure EndsWith(String1$, String2$) Protected Result, dl=Len(String1$)-Len(String2$) If dl>=...
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#OpenEdge.2FProgress
OpenEdge/Progress
DEF VAR lcc AS LONGCHAR.   FIX-CODEPAGE( lcc ) = "UTF-8". lcc = "møøse".   MESSAGE LENGTH( lcc ) VIEW-AS ALERT-BOX.
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Oz
Oz
{Show {Length "Hello World"}}
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Vala
Vala
void main() { var s = "hello"; print(s); print(" literal\n"); var s2 = s + " literal\n"; print(s2); }
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#VBA
VBA
  Option Explicit   Sub String_Concatenation() Dim str1 As String, str2 As String   str1 = "Rosetta" Debug.Print str1 Debug.Print str1 & " code!" str2 = str1 & " code..." Debug.Print str2 & " based on concatenation of : " & str1 & " and code..." End Sub  
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#VBScript
VBScript
s1="Hello" s2=s1 & " World!" WScript.Echo s2
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#QB64
QB64
  DefStr S DefInt I string1 = "abcdefghijklmnopqrstuvwxyz" substring = "klm" Dim Achar As String * 1 Istart = 6 Ilength = 10 Achar = "c"   ' starting from n characters in and of m length; Print Mid$(string1, Istart, Ilength) ' starting from n characters in, up to the end of the string; Print Mid$(string...
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#VBA
VBA
Sub Demo() Dim arr arr = Array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10) Debug.Print "sum : " & Application.WorksheetFunction.Sum(arr) Debug.Print "product : " & Application.WorksheetFunction.Product(arr) End Sub
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#VBScript
VBScript
Function sum_and_product(arr) sum = 0 product = 1 For i = 0 To UBound(arr) sum = sum + arr(i) product = product * arr(i) Next WScript.StdOut.Write "Sum: " & sum WScript.StdOut.WriteLine WScript.StdOut.Write "Product: " & product WScript.StdOut.WriteLine End Function   myarray = Array(1,2,3,4,5,6) sum_and_pr...
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Raku
Raku
[+] map &f, 1 .. $n
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Raven
Raven
0 1 1000 1 range each 1.0 swap dup * / + "%g\n" print
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Raven
Raven
'alphaBETA' upper 'alhpaBETA' lower
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#REBOL
REBOL
print ["Original: " original: "alphaBETA"] print ["Uppercase:" uppercase original] print ["Lowercase:" lowercase original]
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Python
Python
"abcd".startswith("ab") #returns True "abcd".endswith("zn") #returns False "bb" in "abab" #returns False "ab" in "abab" #returns True loc = "abab".find("bb") #returns -1 loc = "abab".find("ab") #returns 0 loc = "abab".find("ab",loc+1) #returns 2
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#QB64
QB64
  DefStr S DefInt P string2 = "dogs" string1 = "dogs and cats are often enemies,because dogs are stronger than cats, but cats sometimes can be friend to dogs" position = 0 pcount = 0 Print "Searching "; string2; " into "; string1 While (InStr(position, string1, string2) > 0) position = InStr(position + 1, string1, ...
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#PARI.2FGP
PARI/GP
len(s)=#s; \\ Alternately, len(s)=length(s); or even len=length;
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Pascal
Pascal
  const s = 'abcdef'; begin writeln (length(s)) end.  
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Visual_Basic
Visual Basic
s = "Hello" Console.WriteLine(s & " literal") s1 = s + " literal" Console.WriteLine(s1)
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Visual_Basic_.NET
Visual Basic .NET
s = "Hello" Console.WriteLine(s & " literal") s1 = s + " literal" Console.WriteLine(s1)
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Vlang
Vlang
s := 'hello'   println(s) println(s+' literal')   s2:= s+ ' literal'   println(s2)
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Quackery
Quackery
[ $ "abcdefgh" ] is s ( --> $ ) [ 2 ] is n ( --> n ) [ 3 ] is m ( --> n ) [ char d ] is ch ( --> c ) [ $ "cd" ] is ss ( --> $ )   s n split nip m split drop echo$ cr s n split nip echo$ cr s -1 split drop echo$ cr ch s tuck find split nip m split drop echo$ cr ss...
http://rosettacode.org/wiki/Substring
Substring
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#R
R
s <- "abcdefgh" n <- 2; m <- 2; char <- 'd'; chars <- 'cd' substring(s, n, n + m) substring(s, n) substring(s, 1, nchar(s)-1) indx <- which(strsplit(s, '')[[1]] %in% strsplit(char, '')[[1]]) substring(s, indx, indx + m) indx <- which(strsplit(s, '')[[1]] %in% strsplit(chars, '')[[1]])[1] substring(s, indx, indx + m)
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#Visual_Basic_.NET
Visual Basic .NET
Module Program Sub Main() Dim arg As Integer() = {1, 2, 3, 4, 5} Dim sum = arg.Sum() Dim prod = arg.Aggregate(Function(runningProduct, nextFactor) runningProduct * nextFactor) End Sub End Module
http://rosettacode.org/wiki/Sum_and_product_of_an_array
Sum and product of an array
Task Compute the sum and product of an array of integers.
#Wart
Wart
def (sum_prod nums) (list (+ @nums) (* @nums))
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#Red
Red
Red [] s: 0 repeat n 1000 [ s: 1.0 / n ** 2 + s ] print s  
http://rosettacode.org/wiki/Sum_of_a_series
Sum of a series
Compute the   nth   term of a series,   i.e. the sum of the   n   first terms of the corresponding sequence. Informally this value, or its limit when   n   tends to infinity, is also called the sum of the series, thus the title of this task. For this task, use: S n = ∑ k = 1 n 1 k 2 {\displa...
#REXX
REXX
/*REXX program sums the first N terms of 1/(k**2), k=1 ──► N. */ parse arg N D . /*obtain optional arguments from the CL*/ if N=='' | N=="," then N=1000 /*Not specified? Then use the default.*/ if D=='' | D=="," then D= 60 ...
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Red
Red
str: "alphaBETA" >> uppercase str == "ALPHABETA" >> lowercase str == "alphabeta" >> uppercase/part str 5 == "ALPHAbeta"
http://rosettacode.org/wiki/String_case
String case
Task Take the string     alphaBETA     and demonstrate how to convert it to:   upper-case     and   lower-case Use the default encoding of a string literal or plain ASCII if there is no string literal in your language. Note: In some languages alphabets toLower and toUpper is not reversable. Show any additional...
#Retro
Retro
'alphaBETA s:to-upper s:put 'alphaBETA s:to-lower s:put
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Quackery
Quackery
[ tuck size split drop = ] is starts ( [ [ --> b )   [ tuck size negate split nip = ] is ends ( [ [ --> b )   [ 2dup = iff true else [ over [] = iff false done 2dup starts iff true done dip behead nip again ] dip 2drop ] is contains ( [ [ --> b )   ...
http://rosettacode.org/wiki/String_matching
String matching
Basic Data Operation This is a basic data operation. It represents a fundamental action on a basic data type. You may see other such operations in the Basic Data Operations category, or: Integer Operations Arithmetic | Comparison Boolean Operations Bitwise | Logical String Operations Concatenation | Interpolation |...
#Racket
Racket
  #lang racket (require srfi/13) (string-prefix? "ab" "abcd") (string-suffix? "cd" "abcd") (string-contains "abab" "bb") (string-contains "abab" "ba")  
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Perl
Perl
use utf8; # so we can use literal characters like ☺ in source use Encode qw(encode);   print length encode 'UTF-8', "Hello, world! ☺"; # 17. The last character takes 3 bytes, the others 1 byte each.   print length encode 'UTF-16', "Hello, world! ☺"; # 32. 2 bytes for the BOM, then 15 byte pairs for each character.
http://rosettacode.org/wiki/String_length
String length
Task Find the character and byte length of a string. This means encodings like UTF-8 need to be handled properly, as there is not necessarily a one-to-one relationship between bytes and characters. By character, we mean an individual Unicode code point, not a user-visible grapheme containing combining characters. F...
#Phix
Phix
constant s = "𝔘𝔫𝔦𝔠𝔬𝔡𝔢" ?length(s) ?length(utf8_to_utf32(s))
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Wee_Basic
Wee Basic
let string1$="Hello " let string2$="world!" print 1 string1$+string2$ end
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#Wren
Wren
var s = "Hello, " var t = s + "world!" System.print(s) System.print(t)
http://rosettacode.org/wiki/String_concatenation
String concatenation
String concatenation You are encouraged to solve this task according to the task description, using any language you may know. Task Create a string variable equal to any text value. Create another string variable whose value is the original variable concatenated with another string literal. To illustrate the operat...
#XPL0
XPL0
func Concat(S1, S2, S3); \Concatenate strings: S3:= S1 + S2 char S1, S2, S3; int C, I, J; [I:= 0; repeat C:= S1(I); S3(I):= C & $7F; \remove MSb terminator from first string I:= I+1; until C >= $80; J:= 0; repeat C:= S2(J); S3(I+J):= C; J:= J+1; until C >= $80; retur...