Credit card processing

[Phil Davis]

If you Google "validate credit card number" you'll come up with a whole list of 
sources for code examples in various dev tools and languages.

Here's a pretty good explanation in English:
   http://www.beachnet.com/~hstiles/cardtype.html


Phil Davis



Sarah Reichelt wrote:
>>> Sorry no idea how to validate a credit card number ;-)
>>>
>> A good start to this is to check what the first digit is.
>> If it begins with a 4 it is a VISA card.  If it begins with a 5
>> it is a MasterCard.
>>
> 
> That may be true in the USA but it isn't true in Australia. Here 
> Mastercard start with 5 but Visa can start with 4 or 5
> 
> :-)
> Sarah
> 
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