[Gllug] (OT) Resources for information on UK credit and debit cards

[John Winters]

On Fri, 2004-11-26 at 12:55, Simon Perry wrote:
> Hi all,
> 
> Please excuse the off topic nature of this post but I remember some 
> cracking discussions about credit and debit cards on this list in the 
> past and my google fu has left me for today!
> 
> I want to implement a credit card validation routine on the order page 
> of a website I'm working on that will weed out invalid cards before I do 
> the actual call to secpay to handle the transaction. What I need to know 
> is the prefix for switch, delta, solo, maestro cards, the valid lengths 
> of their numbers and if they all conform to and require LUHN formula 
> matching. So far I have found one published asp class that has regex for 
> switch and delta but no authoritative information to confirm the 
> validity of these or base my own on. Any pointers or links to online 
> references gladly appreciated.

Try the British Standards Institute.  They have provided me with the
necessary details in the past.

HTH
John

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