Question

How to check if a string contains a substring in C++

Answer 1

#include <iostream>
#include <string>

int main() {
    std::string s1 = "c c++ c# java python";
    std::string s2 = "c++";

    if (s1.find(s2) != std::string::npos) {
        std::cout << "yes" << '\n';
    } else {
        std::cout << "no" << '\n';
    }
}

 
 
/*
run:
 
yes
 
*/

 

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