目标c中的电子邮件地址验证

Posted 2021-02-25

- (BOOL) validateEmail: (NSString *) emailstring {
    NSString *emailRegex = @"[A-Z0-9a-z._%+-][email protected][A-Za-z0-9.-]+\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
 
    return [emailTest evaluateWithObject:emailstring];
}