代碼適用于iOS，有用到可以直接拿走。

//檢查手機(jī)號碼
- (BOOL)isMobileNumber:(NSString *)mobileNum
{
    /**
     * 手機(jī)號碼
     * 移動：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
     * 聯(lián)通：130,131,132,152,155,156,185,186
     * 電信：133,1349,153,180,189
     */
    NSString * MOBILE = @"^1(3[0-9]|5[0-35-9]|8[025-9])\\d{8}$";
    /**
     10         * 中國移動：China Mobile
     11         * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
     12         */
    NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|7[58]|8[23478])\\d)\\d{7}$";
    /**
     15         * 中國聯(lián)通：China Unicom
     16         * 130,131,132,152,155,156,185,186
     17         */
    NSString * CU = @"^1(3[0-2]|5[256]|7[69]|8[56])\\d{8}$";
    /**
     20         * 中國電信：China Telecom
     21         * 133,1349,153,180,189
     22         */
    NSString * CT = @"^1((33|53|7[07]|8[019])[0-9]|349)\\d{7}$";
    /**
     25         * 大陸地區(qū)固話及小靈通
     26         * 區(qū)號：010,020,021,022,023,024,025,027,028,029
     27         * 號碼：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:mobileNum] == YES)
        || ([regextestcm evaluateWithObject:mobileNum] == YES)
        || ([regextestct evaluateWithObject:mobileNum] == YES)
        || ([regextestcu evaluateWithObject:mobileNum] == YES))
    {
        return YES;
    }
    else
    {
        return NO;
    }
}


/**
 *  驗證郵箱
 *
 *  @param candidate 獲取輸入的字符串
 *
 *  @return "ture"說明是正確的 "false"說明是錯誤的
 */
- (BOOL) validateEmail: (NSString *) candidate 
{
    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:candidate];
}