#include <iostream>
#include <regex>
#include <string>

int main() {
    std::string text = "Contact me at example@example.com";
    std::regex email_regex("[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}");

    std::smatch match;
    if (std::regex_search(text, match, email_regex)) {
        std::cout << "Found email: " << match.str() << std::endl;
    } else {
        std::cout << "No email found!" << std::endl;
    }

    return 0;
}