Essays | How does C + + Verify that email is valid?

I have never known that this function is really unprofessional. Today read the "C + + Primer" to the string this chapter just understand a lot of very convenient play:

BOOL Verify_email (const std::string& Email) {Const std::string verify_code = "[email protected]"; if (email.find_ First_not_of (verify_code)! = Std::string::npos) return False;return true;

　　

Find_first_not_of means to look for verify_code inside the characters, so I put [email protected] are written in, because has not been added capital, so the English letter uppercase will fail to verify. Of course, there is no regular convenience.

Essays | How does C + + Verify that email is valid?