On Apr 27, 2007, at 23:06 , James Edward Gray II wrote:

> On Apr 27, 2007, at 3:10 PM, anansi wrote:
>
>> James Edward Gray II wrote:
>>> On Apr 27, 2007, at 12:58 PM, Matthew Moss wrote:
>>>> So is a card number like "4012 3456 7890" a valid Unknown, or an  
>>>> invalid Visa?
>>> Visa Invalid
>>> Always match the type first.
>>
>> Nope thats no Visa number but a unknown one. Visa Cards have a  
>> certain length (13 or 16) and if that length doesn't fit  
>> (Matthew's number here had just 12 digits)it's unknown :)  
>> otherwise the length would be obsolete don't you think?
>> Both length and startingbytes have equal weight in the decision  
>> wether a card belongs to a known Company or not.
>
> You are right.  I didn't read well.  It's Unknown.
>
> James Edward Gray II

Do we display Valid/Invalid for unknown cards?

- And by the way: 4012 3456 7890 isn't valid is it? So should that  
not be "invalid Unknown" or "invalid Visa"?

/C