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That's not how you validate credit cards. http://en.wikipedia.org/wiki/Luhn_algorithm http://en.wikipedia.org/wiki/Luhn_algorithm
by smackmybishop 14y ago
That's not how you validate credit cards.
http://en.wikipedia.org/wiki/Luhn_algorithm http://en.wikipedia.org/wiki/Luhn_algorithm
- deveshz 14y agoCool!