# Regexp::Common::CC - perldoc - [phpMan]

## NAME
    [Regexp::Common::CC](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon%3A%3ACC/markdown) -- provide patterns for credit card numbers.

## SYNOPSIS
        use [Regexp::Common](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon/markdown) qw /CC/;

        while (<>) {
            /^$RE{CC}{Mastercard}$/   and  print "Mastercard card number\n";
        }

## DESCRIPTION
    Please consult the manual of [Regexp::Common](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon/markdown) for a general description of the works of this
    interface.

    Do not use this module directly, but load it via *[Regexp::Common](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon/markdown)*.

    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*.

## SEE ALSO
    [Regexp::Common](https://www.chedong.com/phpMan.php/perldoc/Regexp%3A%3ACommon/markdown) for a general description of how to use this interface.

    <<http://www.beachnet.com/~hstiles/cardtype.html>>
        Credit Card Validation - Check Digits

    <<http://euro.ecom.cmu.edu/resources/elibrary/everycc.htm>>
        Everything you ever wanted to know about CC's

    <<http://www.webopedia.com/TERM/L/Luhn_formula.html>>
        Luhn formula

## AUTHORS
    Damian Conway (*<damian@conway.org>*) and Abigail (*<regexp-common@abigail.be>*).

## MAINTENANCE
    This package is maintained by Abigail (*<regexp-common@abigail.be>*).

## BUGS AND IRRITATIONS
    Bound to be plenty. Send them in to *<regexp-common@abigail.be>*.

LICENSE and COPYRIGHT
    This software is Copyright (c) 2001 - 2017, 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 License.               See the file COPYRIGHT.BSD.
     4) The MIT License.               See the file COPYRIGHT.MIT.