iOS驗證手機號碼

驗證手機號碼的正確性

//驗證手機號
- (BOOL)isMobileNumber:(NSString *)mobileNum
{
    if ([mobileNum length] == 0) {
        
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"提示", nil) message:NSLocalizedString(@"手機號碼不能爲空", nil) delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
        [alert show];
        [alert release];
        return NO;        
    }
    //1[0-9]{10}
    //^((13[0-9])|(15[^4,\\D])|(18[0,5-9]))\\d{8}$
    //    NSString *regex = @"[0-9]{11}";
    NSString *regex = @"^((13[0-9])|(147)|(15[^4,\\D])|(18[0,5-9]))\\d{8}$";
    NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
    BOOL isMatch = [pred evaluateWithObject:mobileNum];
    if (!isMatch) {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"請輸入正確的手機號碼" delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
        [alert show];
        [alert release];
        return NO;
    }
    return YES;
}