public static bool IsValidNumber(string cardNum, CreditCardType?cardType)
{
return(CreditCardHelper._cardRegex.Match(cardNum).Groups[cardType.ToString()].Success && CreditCardHelper.PassesLuhnTest(cardNum));
}
public static bool IsValidNumber(string cardNum)
{
CreditCardType?cardTypeFromNumber = CreditCardHelper.GetCardTypeFromNumber(cardNum);
return(CreditCardHelper.IsValidNumber(cardNum, cardTypeFromNumber));
}