ios email 验证规则

#pragma mark - email 验证规则

-(BOOL)isValidateEmail:(NSString *)email

{

    NSString *emailRegex =@"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";

    

    NSPredicate *emailPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@", emailRegex];

    

    return [emailPredicate evaluateWithObject:email];

}