# Program to check if a string contains any special character in Python // C++ program to check if a string // contains any special character  // import required packages#include <iostream> #include <regex> using namespace std;   // Function checks if the string // contains any special charactervoid run(string str){          // Make own character set     regex regx("[@_!#$%^&*()<>?/|}{~:]");      // Pass the string in regex_search     // method    if(regex_search(str, regx) == 0)        cout << "String is accepted";    else        cout << "String is not accepted.";}   // Driver Code int main() {           // Enter the string     string str = "Geeks$For$Geeks";           // Calling run function    run(str);       return 0; }  // This code is contributed by Yash_R