On Wed, Aug 29, 2012 at 12:15 AM, Rick Debay <[email protected]> wrote: > > > > Does anyone have a Luhn algorithm for Firebird? Especially one I can > embed in a check constraint?
I have one written in Pascal, that you can translate or use as UDF: https://github.com/ik5/credit-card-library/blob/master/src/units/luhn.pp > > Thanks, Rick DeBay > >
