- (BOOL)checkPhoneNum{
    return [_phoneNum.text isMatchedByRegex:@"^(13[0-9]|15[0-9]|18[0-9])\\d{8}$"];
}

- (void)nextClick{
    if (![self checkPhoneNum]) {
        UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"您输入的手机号格式不正确" delegate:self cancelButtonTitle:nil otherButtonTitles:@"确定",nil];
        [alert show];
        return;
    }
}

- (BOOL)checkEmail { return [_mainEmail.text isMatchedByRegex:@"\\b([a-zA-Z0-9%_.+\\-]+)@([a-zA-Z0-9.\\-]+?\\.[a-zA-Z]{2,6})\\b"]; } - (BOOL)checkUrl { return [_mainUrl.text isMatchedByRegex:@"\\bhttps?://[a-zA-Z0-9\\-.]+(?::(\\d+))?(?:(?:/[a-zA-Z0-9\\-._?,'+\\&%$=~*!():@\\\\]*)+)?"]; } 原文链接：https://www.f2er.com/regex/360854.html