#includestd::string ssn = "123-45-6789"; if (CheckId::SocialSecurityNumber::isValid(ssn)) { std::cout << "Valid social security number" << std::endl; } else { std::cout << "Invalid social security number" << std::endl; }
#includeThe CheckId library is likely a package library that provides functionality for validating various types of IDs. The library may also include additional features such as formatting and parsing of ID numbers.std::string passportNumber = "ABC123456"; if (CheckId::Passport::isValid(passportNumber)) { std::cout << "Valid passport number" << std::endl; } else { std::cout << "Invalid passport number" << std::endl; }