最新iOS判断手机号码是否正确正则表达式

//正则判断手机号码格式
+ (BOOL)validatePhone:(NSString *)phone
{
      /*
         手机号码
         移动：134[0-8],      135,136,137,138,139,147,150,151,152,157,158,159,178,182,183,184,187,188
         联通：130,131,132,145,155,156,176,185,186
         电信：133,1349,153,177,180,181,189
      */
       //验证手机号码是否正确
            NSString * MOBILE = @"^1(3[0-9]|4[57]|5[0-35-9]|7[6-8]|8[0-9])\\d{8}$";
            NSString * CM = @"^1(34[0-8]|(3[5-9]|4[7]|5[0127-9]|7[8]|8[23478])\\d)\\d{7}$";
            NSString * CU = @"^1(3[0-2]|4[5]|5[56]|7[6]|8[56])\\d{8}$";
            NSString * CT = @"^1(3[34]|5[3]|7[7]|8[019])\\d{8}$";

     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;
    }
}