Question

How to extract all words from a string by multiple delimiters in C++

Answer 1

#include <iostream>
#include <sstream>

int main() {
    std::string s = "c c++:java, python:php javascript = c#";
    char delimiters[] = " ,:=";

    std::stringstream stringStream(s);
    std::string line;

    while (std::getline(stringStream, line)) {
        std::size_t prev = 0, pos;
        while ((pos = line.find_first_of(delimiters, prev)) != std::string::npos) {
            if (pos > prev)
                std::cout << line.substr(prev, pos-prev) << '\n';
            prev = pos + 1;
        }
        if (prev < line.length())
            std::cout << line.substr(prev, std::string::npos);
    }
}





/*
run:

c
c++
java
python
php
javascript
c#

*/

 

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