用正则表达式验证邮箱与手机号的合法性

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

//正则判断手机号码格式
+ (BOOL)validatePhone:(NSString *)phone
{
       /**
        * 手机号码
        * 移动：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
        * 联通：130,131,132,152,155,156,185,186
        * 电信：133,1349,153,180,189
        */
       NSString * MOBILE = @"^1(3[0-9]|5[0-35-9]|8[025-9])\\d{8}$";
       /**
        10         * 中国移动：China Mobile
        11         * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
        12         */
       NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$";
       /**
        15         * 中国联通：China Unicom
        16         * 130,131,132,152,155,156,185,186
        17         */
       NSString * CU = @"^1(3[0-2]|5[256]|8[56])\\d{8}$";
       /**
        20         * 中国电信：China Telecom
        21         * 133,1349,153,180,189
        22         */
       NSString * CT = @"^1((33|53|8[09])[0-9]|349)\\d{7}$";
       /**
        25         * 大陆地区固话及小灵通
        26         * 区号：010,020,021,022,023,024,025,027,028,029
        27         * 号码：七位或八位
        28         */
      // NSString * PHS = @"^0(10|2[0-5789]|\\d{3})\\d{7,8}$";

     NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
     NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
     NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
     NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];

    if (([regextestmobile evaluateWithObject:phone] == YES)
    || ([regextestcm evaluateWithObject:phone] == YES)
    || ([regextestct evaluateWithObject:phone] == YES)
    || ([regextestcu evaluateWithObject:phone] == YES))
    {
        if([regextestcm evaluateWithObject:phone] == YES) {
          NSLog(@"China Mobile");
        } else if([regextestct evaluateWithObject:phone] == YES) {
          NSLog(@"China Telecom");
        } else if ([regextestcu evaluateWithObject:phone] == YES) {
          NSLog(@"China Unicom");
        } else {
          NSLog(@"Unknow");
        }

        return YES;
    }
    else 
    {
        return NO;
    }
}