kazuyamaa/multi-language-messages-01 huggingface dataset:
Task: Determine if a string is squeezable
Go: package main

import "fmt"



func squeeze(s string, c rune) (string, int, int) {
    r := []rune(s)
    le, del := len(r), 0
    for i := le - 2; i >= 0; i-- {
        if r[i] == c && r[i] == r[i+1] {
            copy(r[i:], r[i+1:])
            del++
        }
    }
    if del == 0 {
        return s, le, le
    }
    r = r[:le-del]
    return string(r), le, len(r)
}

func main() {
    strings := []string{
        "",
        `"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln `,
        "..1111111111111111111111111111111111111111111111111111111111111117777888",
        "I never give 'em hell, I just tell the truth, and they think it's hell. ",
        "                                                   ---  Harry S Truman  ",
        "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
        "headmistressship",
        "aardvark",
        "😍😀🙌💃😍😍😍🙌",
    }
    chars := [][]rune{{' '}, {'-'}, {'7'}, {'.'}, {' ', '-', 'r'}, {'e'}, {'s'}, {'a'}, {'😍'}}

    for i, s := range strings {
        for _, c := range chars[i] {
            ss, olen, slen := squeeze(s, c)
            fmt.Printf("specified character = %q\n", c)
            fmt.Printf("original : length = %2d, string = «««%s»»»\n", olen, s)
            fmt.Printf("squeezed : length = %2d, string = «««%s»»»\n\n", slen, ss)
        }
    }
}

Java: 

public class StringSqueezable {

    public static void main(String[] args) {
        String[] testStrings = new String[] {
                "", 
                "\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ", 
                "..1111111111111111111111111111111111111111111111111111111111111117777888", 
                "I never give 'em hell, I just tell the truth, and they think it's hell. ", 
                "                                                    --- Harry S Truman  ",
                "122333444455555666666777777788888888999999999",
                "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
                "headmistressship"};

        String[] testChar = new String[] {
                " ", 
                "-", 
                "7", 
                ".", 
                " -r",
                "5",
                "e",
                "s"};
        for ( int testNum = 0 ; testNum < testStrings.length ; testNum++ ) {
            String s = testStrings[testNum];
            for ( char c : testChar[testNum].toCharArray() ) {
                String result = squeeze(s, c);
                System.out.printf("use: '%c'%nold:  %2d <<<%s>>>%nnew:  %2d <<<%s>>>%n%n", c, s.length(), s, result.length(), result);
            }
        }
    }
    
    private static String squeeze(String in, char include) {
        StringBuilder sb = new StringBuilder();
        for ( int i = 0 ; i < in.length() ; i++ ) {
            if ( i == 0 || in.charAt(i-1) != in.charAt(i) || (in.charAt(i-1) == in.charAt(i) && in.charAt(i) != include)) {
                sb.append(in.charAt(i));
            }
        }
        return sb.toString();
    }

}
Task: Determine if a string is squeezable
Java: 

public class StringSqueezable {

    public static void main(String[] args) {
        String[] testStrings = new String[] {
                "", 
                "\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ", 
                "..1111111111111111111111111111111111111111111111111111111111111117777888", 
                "I never give 'em hell, I just tell the truth, and they think it's hell. ", 
                "                                                    --- Harry S Truman  ",
                "122333444455555666666777777788888888999999999",
                "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
                "headmistressship"};

        String[] testChar = new String[] {
                " ", 
                "-", 
                "7", 
                ".", 
                " -r",
                "5",
                "e",
                "s"};
        for ( int testNum = 0 ; testNum < testStrings.length ; testNum++ ) {
            String s = testStrings[testNum];
            for ( char c : testChar[testNum].toCharArray() ) {
                String result = squeeze(s, c);
                System.out.printf("use: '%c'%nold:  %2d <<<%s>>>%nnew:  %2d <<<%s>>>%n%n", c, s.length(), s, result.length(), result);
            }
        }
    }
    
    private static String squeeze(String in, char include) {
        StringBuilder sb = new StringBuilder();
        for ( int i = 0 ; i < in.length() ; i++ ) {
            if ( i == 0 || in.charAt(i-1) != in.charAt(i) || (in.charAt(i-1) == in.charAt(i) && in.charAt(i) != include)) {
                sb.append(in.charAt(i));
            }
        }
        return sb.toString();
    }

}

Python: from itertools import groupby

def squeezer(s, txt):
    return ''.join(item if item == s else ''.join(grp)
                   for item, grp in groupby(txt))

if __name__ == '__main__':
    strings = [
            "",
            '"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln ',
            "..1111111111111111111111111111111111111111111111111111111111111117777888",
            "I never give 'em hell, I just tell the truth, and they think it's hell. ",
            "                                                   ---  Harry S Truman  ",
            "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
            "headmistressship",
            "aardvark",
            "😍😀🙌💃😍😍😍🙌",
            ]
    squeezers = ' ,-,7,., -r,e,s,a,😍'.split(',')
    for txt, chars in zip(strings, squeezers):
        this = "Original"
        print(f"\n{this:14} Size: {len(txt)} «««{txt}»»»" )
        for ch in chars:
            this = f"Squeezer '{ch}'"
            sqz = squeezer(ch, txt)
            print(f"{this:>14} Size: {len(sqz)} «««{sqz}»»»" )
Task: Determine if a string is squeezable
Java: 

public class StringSqueezable {

    public static void main(String[] args) {
        String[] testStrings = new String[] {
                "", 
                "\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ", 
                "..1111111111111111111111111111111111111111111111111111111111111117777888", 
                "I never give 'em hell, I just tell the truth, and they think it's hell. ", 
                "                                                    --- Harry S Truman  ",
                "122333444455555666666777777788888888999999999",
                "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
                "headmistressship"};

        String[] testChar = new String[] {
                " ", 
                "-", 
                "7", 
                ".", 
                " -r",
                "5",
                "e",
                "s"};
        for ( int testNum = 0 ; testNum < testStrings.length ; testNum++ ) {
            String s = testStrings[testNum];
            for ( char c : testChar[testNum].toCharArray() ) {
                String result = squeeze(s, c);
                System.out.printf("use: '%c'%nold:  %2d <<<%s>>>%nnew:  %2d <<<%s>>>%n%n", c, s.length(), s, result.length(), result);
            }
        }
    }
    
    private static String squeeze(String in, char include) {
        StringBuilder sb = new StringBuilder();
        for ( int i = 0 ; i < in.length() ; i++ ) {
            if ( i == 0 || in.charAt(i-1) != in.charAt(i) || (in.charAt(i-1) == in.charAt(i) && in.charAt(i) != include)) {
                sb.append(in.charAt(i));
            }
        }
        return sb.toString();
    }

}

VB: Imports System.Linq.Enumerable

Module Module1

    Function Squeeze(s As String, c As Char) As String
        If String.IsNullOrEmpty(s) Then
            Return ""
        End If
        Return s(0) + New String(Range(1, s.Length - 1).Where(Function(i) s(i) <> c OrElse s(i) <> s(i - 1)).Select(Function(i) s(i)).ToArray())
    End Function

    Sub SqueezeAndPrint(s As String, c As Char)
        Console.WriteLine("squeeze: 
        Console.WriteLine("old: {0} «««{1}»»»", s.Length, s)
        s = Squeeze(s, c)
        Console.WriteLine("new: {0} «««{1}»»»", s.Length, s)
    End Sub

    Sub Main()
        Const QUOTE = """"

        SqueezeAndPrint("", " ")
        SqueezeAndPrint(QUOTE & "If I were two-faced, would I be wearing this one?" & QUOTE & " --- Abraham Lincoln ", "-")
        SqueezeAndPrint("..1111111111111111111111111111111111111111111111111111111111111117777888", "7")
        SqueezeAndPrint("I never give 

        Dim s = "                                                    --- Harry S Truman  "
        SqueezeAndPrint(s, " ")
        SqueezeAndPrint(s, "-")
        SqueezeAndPrint(s, "r")
    End Sub

End Module
Task: Determine if a string is squeezable
Go: package main

import "fmt"



func squeeze(s string, c rune) (string, int, int) {
    r := []rune(s)
    le, del := len(r), 0
    for i := le - 2; i >= 0; i-- {
        if r[i] == c && r[i] == r[i+1] {
            copy(r[i:], r[i+1:])
            del++
        }
    }
    if del == 0 {
        return s, le, le
    }
    r = r[:le-del]
    return string(r), le, len(r)
}

func main() {
    strings := []string{
        "",
        `"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln `,
        "..1111111111111111111111111111111111111111111111111111111111111117777888",
        "I never give 'em hell, I just tell the truth, and they think it's hell. ",
        "                                                   ---  Harry S Truman  ",
        "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
        "headmistressship",
        "aardvark",
        "😍😀🙌💃😍😍😍🙌",
    }
    chars := [][]rune{{' '}, {'-'}, {'7'}, {'.'}, {' ', '-', 'r'}, {'e'}, {'s'}, {'a'}, {'😍'}}

    for i, s := range strings {
        for _, c := range chars[i] {
            ss, olen, slen := squeeze(s, c)
            fmt.Printf("specified character = %q\n", c)
            fmt.Printf("original : length = %2d, string = «««%s»»»\n", olen, s)
            fmt.Printf("squeezed : length = %2d, string = «««%s»»»\n\n", slen, ss)
        }
    }
}

Python: from itertools import groupby

def squeezer(s, txt):
    return ''.join(item if item == s else ''.join(grp)
                   for item, grp in groupby(txt))

if __name__ == '__main__':
    strings = [
            "",
            '"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln ',
            "..1111111111111111111111111111111111111111111111111111111111111117777888",
            "I never give 'em hell, I just tell the truth, and they think it's hell. ",
            "                                                   ---  Harry S Truman  ",
            "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
            "headmistressship",
            "aardvark",
            "😍😀🙌💃😍😍😍🙌",
            ]
    squeezers = ' ,-,7,., -r,e,s,a,😍'.split(',')
    for txt, chars in zip(strings, squeezers):
        this = "Original"
        print(f"\n{this:14} Size: {len(txt)} «««{txt}»»»" )
        for ch in chars:
            this = f"Squeezer '{ch}'"
            sqz = squeezer(ch, txt)
            print(f"{this:>14} Size: {len(sqz)} «««{sqz}»»»" )
Task: Determine if a string is squeezable
Go: package main

import "fmt"



func squeeze(s string, c rune) (string, int, int) {
    r := []rune(s)
    le, del := len(r), 0
    for i := le - 2; i >= 0; i-- {
        if r[i] == c && r[i] == r[i+1] {
            copy(r[i:], r[i+1:])
            del++
        }
    }
    if del == 0 {
        return s, le, le
    }
    r = r[:le-del]
    return string(r), le, len(r)
}

func main() {
    strings := []string{
        "",
        `"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln `,
        "..1111111111111111111111111111111111111111111111111111111111111117777888",
        "I never give 'em hell, I just tell the truth, and they think it's hell. ",
        "                                                   ---  Harry S Truman  ",
        "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
        "headmistressship",
        "aardvark",
        "😍😀🙌💃😍😍😍🙌",
    }
    chars := [][]rune{{' '}, {'-'}, {'7'}, {'.'}, {' ', '-', 'r'}, {'e'}, {'s'}, {'a'}, {'😍'}}

    for i, s := range strings {
        for _, c := range chars[i] {
            ss, olen, slen := squeeze(s, c)
            fmt.Printf("specified character = %q\n", c)
            fmt.Printf("original : length = %2d, string = «««%s»»»\n", olen, s)
            fmt.Printf("squeezed : length = %2d, string = «««%s»»»\n\n", slen, ss)
        }
    }
}

VB: Imports System.Linq.Enumerable

Module Module1

    Function Squeeze(s As String, c As Char) As String
        If String.IsNullOrEmpty(s) Then
            Return ""
        End If
        Return s(0) + New String(Range(1, s.Length - 1).Where(Function(i) s(i) <> c OrElse s(i) <> s(i - 1)).Select(Function(i) s(i)).ToArray())
    End Function

    Sub SqueezeAndPrint(s As String, c As Char)
        Console.WriteLine("squeeze: 
        Console.WriteLine("old: {0} «««{1}»»»", s.Length, s)
        s = Squeeze(s, c)
        Console.WriteLine("new: {0} «««{1}»»»", s.Length, s)
    End Sub

    Sub Main()
        Const QUOTE = """"

        SqueezeAndPrint("", " ")
        SqueezeAndPrint(QUOTE & "If I were two-faced, would I be wearing this one?" & QUOTE & " --- Abraham Lincoln ", "-")
        SqueezeAndPrint("..1111111111111111111111111111111111111111111111111111111111111117777888", "7")
        SqueezeAndPrint("I never give 

        Dim s = "                                                    --- Harry S Truman  "
        SqueezeAndPrint(s, " ")
        SqueezeAndPrint(s, "-")
        SqueezeAndPrint(s, "r")
    End Sub

End Module
Task: Determine if a string is squeezable
Python: from itertools import groupby

def squeezer(s, txt):
    return ''.join(item if item == s else ''.join(grp)
                   for item, grp in groupby(txt))

if __name__ == '__main__':
    strings = [
            "",
            '"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln ',
            "..1111111111111111111111111111111111111111111111111111111111111117777888",
            "I never give 'em hell, I just tell the truth, and they think it's hell. ",
            "                                                   ---  Harry S Truman  ",
            "The better the 4-wheel drive, the further you'll be from help when ya get stuck!",
            "headmistressship",
            "aardvark",
            "😍😀🙌💃😍😍😍🙌",
            ]
    squeezers = ' ,-,7,., -r,e,s,a,😍'.split(',')
    for txt, chars in zip(strings, squeezers):
        this = "Original"
        print(f"\n{this:14} Size: {len(txt)} «««{txt}»»»" )
        for ch in chars:
            this = f"Squeezer '{ch}'"
            sqz = squeezer(ch, txt)
            print(f"{this:>14} Size: {len(sqz)} «««{sqz}»»»" )

VB: Imports System.Linq.Enumerable

Module Module1

    Function Squeeze(s As String, c As Char) As String
        If String.IsNullOrEmpty(s) Then
            Return ""
        End If
        Return s(0) + New String(Range(1, s.Length - 1).Where(Function(i) s(i) <> c OrElse s(i) <> s(i - 1)).Select(Function(i) s(i)).ToArray())
    End Function

    Sub SqueezeAndPrint(s As String, c As Char)
        Console.WriteLine("squeeze: 
        Console.WriteLine("old: {0} «««{1}»»»", s.Length, s)
        s = Squeeze(s, c)
        Console.WriteLine("new: {0} «««{1}»»»", s.Length, s)
    End Sub

    Sub Main()
        Const QUOTE = """"

        SqueezeAndPrint("", " ")
        SqueezeAndPrint(QUOTE & "If I were two-faced, would I be wearing this one?" & QUOTE & " --- Abraham Lincoln ", "-")
        SqueezeAndPrint("..1111111111111111111111111111111111111111111111111111111111111117777888", "7")
        SqueezeAndPrint("I never give 

        Dim s = "                                                    --- Harry S Truman  "
        SqueezeAndPrint(s, " ")
        SqueezeAndPrint(s, "-")
        SqueezeAndPrint(s, "r")
    End Sub

End Module
Task: Determine if a string is squeezable
C#: using System;
using static System.Linq.Enumerable;

public class Program
{
    static void Main()
    {
        SqueezeAndPrint("", ' ');
        SqueezeAndPrint("\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ", '-');
        SqueezeAndPrint("..1111111111111111111111111111111111111111111111111111111111111117777888", '7');
        SqueezeAndPrint("I never give 'em hell, I just tell the truth, and they think it's hell. ", '.');
        string s = "                                                    --- Harry S Truman  ";
        SqueezeAndPrint(s, ' ');
        SqueezeAndPrint(s, '-');
        SqueezeAndPrint(s, 'r');
    }

    static void SqueezeAndPrint(string s, char c) {
        Console.WriteLine($"squeeze: '{c}'");
        Console.WriteLine($"old: {s.Length} «««{s}»»»");
        s = Squeeze(s, c);
        Console.WriteLine($"new: {s.Length} «««{s}»»»");
    }

    static string Squeeze(string s, char c) => string.IsNullOrEmpty(s) ? "" :
        s[0] + new string(Range(1, s.Length - 1).Where(i => s[i] != c || s[i] != s[i - 1]).Select(i => s[i]).ToArray());
}

VB: Imports System.Linq.Enumerable

Module Module1

    Function Squeeze(s As String, c As Char) As String
        If String.IsNullOrEmpty(s) Then
            Return ""
        End If
        Return s(0) + New String(Range(1, s.Length - 1).Where(Function(i) s(i) <> c OrElse s(i) <> s(i - 1)).Select(Function(i) s(i)).ToArray())
    End Function

    Sub SqueezeAndPrint(s As String, c As Char)
        Console.WriteLine("squeeze: 
        Console.WriteLine("old: {0} «««{1}»»»", s.Length, s)
        s = Squeeze(s, c)
        Console.WriteLine("new: {0} «««{1}»»»", s.Length, s)
    End Sub

    Sub Main()
        Const QUOTE = """"

        SqueezeAndPrint("", " ")
        SqueezeAndPrint(QUOTE & "If I were two-faced, would I be wearing this one?" & QUOTE & " --- Abraham Lincoln ", "-")
        SqueezeAndPrint("..1111111111111111111111111111111111111111111111111111111111111117777888", "7")
        SqueezeAndPrint("I never give 

        Dim s = "                                                    --- Harry S Truman  "
        SqueezeAndPrint(s, " ")
        SqueezeAndPrint(s, "-")
        SqueezeAndPrint(s, "r")
    End Sub

End Module
Task: Determine if a string is squeezable
C#: using System;
using static System.Linq.Enumerable;

public class Program
{
    static void Main()
    {
        SqueezeAndPrint("", ' ');
        SqueezeAndPrint("\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ", '-');
        SqueezeAndPrint("..1111111111111111111111111111111111111111111111111111111111111117777888", '7');
        SqueezeAndPrint("I never give 'em hell, I just tell the truth, and they think it's hell. ", '.');
        string s = "                                                    --- Harry S Truman  ";
        SqueezeAndPrint(s, ' ');
        SqueezeAndPrint(s, '-');
        SqueezeAndPrint(s, 'r');
    }

    static void SqueezeAndPrint(string s, char c) {
        Console.WriteLine($"squeeze: '{c}'");
        Console.WriteLine($"old: {s.Length} «««{s}»»»");
        s = Squeeze(s, c);
        Console.WriteLine($"new: {s.Length} «««{s}»»»");
    }

    static string Squeeze(string s, char c) => string.IsNullOrEmpty(s) ? "" :
        s[0] + new string(Range(1, s.Length - 1).Where(i => s[i] != c || s[i] != s[i - 1]).Select(i => s[i]).ToArray());
}

PHP: <?php

function squeezeString($string, $squeezeChar) {
    $previousChar = null;
    $squeeze = '';
    $charArray = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);
    for ($i = 0 ; $i < count($charArray) ; $i++) {
        $currentChar = $charArray[$i];
        if ($previousChar !== $currentChar || $currentChar !== $squeezeChar) {
            $squeeze .= $charArray[$i];
        }
        $previousChar = $currentChar;
    }
    return $squeeze;
}

function isSqueezable($string, $squeezeChar) {
    return ($string !== squeezeString($string, $squeezeChar));
}

$strings = array(
    ['-', '"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln '],
    ['1', '..1111111111111111111111111111111111111111111111111111111111111117777888'],
    ['l', "I never give 'em hell, I just tell the truth, and they think it's hell. "],
    [' ', '                                                    --- Harry S Truman  '],
    ['9', '0112223333444445555556666666777777778888888889999999999'],
    ['e', "The better the 4-wheel drive, the further you'll be from help when ya get stuck!"],
    ['k', "The better the 4-wheel drive, the further you'll be from help when ya get stuck!"],
);
foreach ($strings as $params) {
    list($char, $original) = $params;
    echo 'Original   : <<<', $original, '>>> (len=', mb_strlen($original), ')', PHP_EOL;
    if (isSqueezable($original, $char)) {
        $squeeze = squeezeString($original, $char);
        echo 'Squeeze(', $char, ') : <<<', $squeeze, '>>> (len=', mb_strlen($squeeze), ')', PHP_EOL, PHP_EOL;
    } else {
        echo 'Squeeze(', $char, ') : string is not squeezable (char=', $char, ')...', PHP_EOL, PHP_EOL;
    }
}
Task: Determine if a string is squeezable
C++: #include <algorithm>
#include <string>
#include <iostream>

template<typename char_type>
std::basic_string<char_type> squeeze(std::basic_string<char_type> str, char_type ch) {
    auto i = std::unique(str.begin(), str.end(),
        [ch](char_type a, char_type b) { return a == ch && b == ch; });
    str.erase(i, str.end());
    return str;
}

void test(const std::string& str, char ch) {
    std::cout << "character: '" << ch << "'\n";
    std::cout << "original: <<<" << str << ">>>, length: " << str.length() << '\n';
    std::string squeezed(squeeze(str, ch));
    std::cout << "result: <<<" << squeezed << ">>>, length: " << squeezed.length() << '\n';
    std::cout << '\n';
}

int main(int argc, char** argv) {
    test("", ' ');
    test("\"If I were two-faced, would I be wearing this one?\" --- Abraham Lincoln ", '-');
    test("..1111111111111111111111111111111111111111111111111111111111111117777888", '7');
    test("I never give 'em hell, I just tell the truth, and they think it's hell. ", '.');
    std::string truman("                                                    --- Harry S Truman  ");
    test(truman, ' ');
    test(truman, '-');
    test(truman, 'r');
    return 0;
}

PHP: <?php

function squeezeString($string, $squeezeChar) {
    $previousChar = null;
    $squeeze = '';
    $charArray = preg_split('//u', $string, -1, PREG_SPLIT_NO_EMPTY);
    for ($i = 0 ; $i < count($charArray) ; $i++) {
        $currentChar = $charArray[$i];
        if ($previousChar !== $currentChar || $currentChar !== $squeezeChar) {
            $squeeze .= $charArray[$i];
        }
        $previousChar = $currentChar;
    }
    return $squeeze;
}

function isSqueezable($string, $squeezeChar) {
    return ($string !== squeezeString($string, $squeezeChar));
}

$strings = array(
    ['-', '"If I were two-faced, would I be wearing this one?" --- Abraham Lincoln '],
    ['1', '..1111111111111111111111111111111111111111111111111111111111111117777888'],
    ['l', "I never give 'em hell, I just tell the truth, and they think it's hell. "],
    [' ', '                                                    --- Harry S Truman  '],
    ['9', '0112223333444445555556666666777777778888888889999999999'],
    ['e', "The better the 4-wheel drive, the further you'll be from help when ya get stuck!"],
    ['k', "The better the 4-wheel drive, the further you'll be from help when ya get stuck!"],
);
foreach ($strings as $params) {
    list($char, $original) = $params;
    echo 'Original   : <<<', $original, '>>> (len=', mb_strlen($original), ')', PHP_EOL;
    if (isSqueezable($original, $char)) {
        $squeeze = squeezeString($original, $char);
        echo 'Squeeze(', $char, ') : <<<', $squeeze, '>>> (len=', mb_strlen($squeeze), ')', PHP_EOL, PHP_EOL;
    } else {
        echo 'Squeeze(', $char, ') : string is not squeezable (char=', $char, ')...', PHP_EOL, PHP_EOL;
    }
}