LUHN Credit card number validation

John Esak john at valar.com
Mon Jul 18 03:09:57 PDT 2005


Hi Wally,
I put up a really good call table that did the complete validation of any
type  credit card. It used a couple of simple edits also... and it was very
generic and immediately ready to use. Unfortunately, I must have sent it
from NJ and I am at home in PA.  I can have Rick take a look at my Sent
folder up there today. Maybe someone else will be kind enough to re-post it
for you before then... someone like Jim Asman who keeps most of the good
stuff from this list... :-)   Hopefully, you will have it before  I can find
it in what I loosely call an archive these days. :-)

John




> -----Original Message-----
> From: filepro-list-bounces at lists.celestial.com
> [mailto:filepro-list-bounces at lists.celestial.com]On Behalf Of Wally
> Turnbull
> Sent: Sunday, July 17, 2005 10:34 PM
> To: Fplist
> Subject: LUHN Credit card number validation
>
>
> Does anyone have a filePro LUHN credit card number validation routine to
> share that will check to see if 13, 14, 15, and 16 digit credit card
> numbers have a valid checksum?  I'm looking for filePro code - not the
> formula.  I would like not to reinvent this tedious wheel if it is not
> necessary.
>
> Thanks,
> Wally Turnbull
>
>
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