Created
March 25, 2013 13:41
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Credit card validation regular expressions
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| /** | |
| * Credit card validation regular expressions | |
| */ | |
| # American Express | |
| /^3[47]/ | |
| # Visa | |
| /^4/ | |
| # Mastercard | |
| /^5[1-5]/ | |
| # Discover | |
| /^6(?:011|44|5[0-9]{2})/ |
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