std::string / Finding characters in a string / Essential C++

#include <iostream>
#include <string>

using namespace std;
 
int main() {
    std::string str = "Curiosity killed the cat";
    auto it = str.find("cat");
    
    if (it != std::string::npos)
        std::cout << "Found at position: " << it << '\n';
    else
        std::cout << "Not found!\n";
}