Question

How to replace comma (,) with semicolon (;) in a string with C++

Answer 1

#include <iostream>
#include <string>

std::string replace_comma_with_semicolon(std::string s) {
    size_t pos = 0;
    
    while ((pos = s.find(',', pos)) != std::string::npos) {
        s.replace(pos, 1, ";");
        pos++;
    }
    
    return s;
}

int main() {
    std::string s = "java,c,c++,c#";

    s = replace_comma_with_semicolon(s);

    std::cout << s << std::endl;
}




/*
run:

java;c;c++;c#

*/

 

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Answer 2

#include <algorithm>
#include <iostream>
#include <string>

int main() {
    std::string str = "java,c,c++,c#,rust";

    // Replace commas with semicolons
    std::replace(str.begin(), str.end(), ',', ';');

    std::cout << str << std::endl;
}



/*
run:

java;c;c++;c#;rust

*/

 

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