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A gem that provides credit card validation. It is basically a ruby port of the javascript credit card validator by Thomas Fuchs (madrobby) (http://github.com/madrobby/creditcard_js).

installgem install credit_card_validator
Authors

Tobias Crawley, Bruce Hauman, Phil McClure, Gabriel Reis, Eric Young, Kyle Burton <kyle.burton@gmail.com>

11,998 total downloads 6,403 for this version
Owners

65574978201779e7de505767f2d49bef611fd46d3d001c7c6b047468de453b18

Gemfile
gem "credit_card_validator", "~> 1.1.0"
Versions
  1. 1.1.0 June 17, 2011
  2. 1.0.1 June 17, 2011
  3. 1.0.0 June 7, 2011
  4. 0.1.0 December 4, 2009