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OSX 10.14 Mojave - man page for regexp::common::cc (mojave section 3)

Regexp::Common::CC(3)					User Contributed Perl Documentation				     Regexp::Common::CC(3)

Regexp::Common::CC -- provide patterns for credit card numbers.
use Regexp::Common qw /CC/; while (<>) { /^$RE{CC}{Mastercard}$/ and print "Mastercard card number\n"; }
Please consult the manual of Regexp::Common for a general description of the works of this interface. Do not use this module directly, but load it via Regexp::Common. This module offers patterns for credit card numbers of several major credit card types. Currently, the supported cards are: Mastercard, Amex, Diners Club, and Discover.
Regexp::Common for a general description of how to use this interface. <> Credit Card Validation - Check Digits <> Everything you ever wanted to know about CC's <> Luhn formula
Damian Conway ( and Abigail (
This package is maintained by Abigail (
Bound to be plenty. Send them in to LICENSE and COPYRIGHT This software is Copyright (c) 2001 - 2009, Damian Conway and Abigail. This module is free software, and maybe used under any of the following licenses: 1) The Perl Artistic License. See the file COPYRIGHT.AL. 2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2. 3) The BSD Licence. See the file COPYRIGHT.BSD. 4) The MIT Licence. See the file COPYRIGHT.MIT. perl v5.18.2 2013-03-08 Regexp::Common::CC(3)