Answers for "is string in string c++"

c++ string contains

if (string1.find(string2) != std::string::npos) {
    std::cout << "found!" << 'n';
}

c++ find string in string

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

int main()
{
    std::string in = "Lorem ipsum dolor sit amet, consectetur adipiscing elit,"
                     " sed do eiusmod tempor incididunt ut labore et dolore magna aliqua";
    std::string needle = "pisci";
    auto it = std::search(in.begin(), in.end(),
                   std::boyer_moore_searcher(
                       needle.begin(), needle.end()));
    if(it != in.end())
        std::cout << "The string " << needle << " found at offset "
                  << it - in.begin() << 'n';
    else
        std::cout << "The string " << needle << " not foundn";
}