A fast Luhn algorithm for validating credit cards
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README.md

fast-luhn Build Status

A fast Luhn algorithm for validating credit cards. Adapted from ShirtlessKirk's popular gist.

Installing

$ npm install fast-luhn

API

luhn(number) -> Boolean

Returns true/false depending on whether the Luhn checksum is valid

number

Required
Type: string

A credit card number.

License

MIT © Ben Drucker