» 2010 March | Chris Mckee Designs, by Chris McKee, who'd of guessed | ChrisMcKee.co.uk

Credit Card validation is a Pain in the Arse *Updated April 2010 But its not going anywhere fast. So I’ve combined two of the scripts I’ve found to meet my needs, added UK credit card data (Maestro/VisaDebit etal) and a bit of optimization and here it is. Algorithm Sources: * http://www.codeproject.com/KB/aspnet/UltimateCreditCardUtility.aspx * http://orb-of-knowledge.blogspot.com/2009/08/extremely-fast-luhn-function-for-c.html * Extra … Read on Squire