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r00fus
on June 4, 2014
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Show HN: Card – An interactive CSS3 credit card fo...
Looks nice, perhaps you can implement the Luhn algorithm to ensure the CC is not known-invalid (to prevent data entry error)?
http://en.wikipedia.org/wiki/Luhn_algorithm
BillinghamJ
on June 4, 2014
[–]
Validation on the expiry date would be nice too.
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Search:
http://en.wikipedia.org/wiki/Luhn_algorithm