Snipplr - chrisaiv http://snipplr.com/users/chrisaiv/language/ruby/tags/validation Recent snippets posted on Snipplr.com en-us Thu, 23 May 2013 11:03:54 GMT (Ruby) Validate a Credit Card Number http://snipplr.com/view/3959/validate-a-credit-card-number/ Download the Credit Card Library from Lucas Carlson user$ sudo gem install creditcard

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