Credit Card Validation

Credit Card Validation

Here’s an improved credit card validation extension for the jQuery Validation plugin. This lets you pass the credit card type into the validation routine, which allows it to do card type specific checks for prefix of the card number and number of digits. This extension includes the mod-10 check (based on the Luhn Algorithm) that is used in the core creditcard validation routine. As an extra bonus, it will ignore spaces and dashes in the card number. This code was ported from this credit card validation routine by John Gardner, with some minor tweaks and additions.


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http://www.ihwy.com/labs/jquery-validate-credit-card-extension.aspx