Business::CreditCard
These subroutines tell you whether a credit card number is self-consistent --
whether the last digit of the number is a valid checksum for the preceding
digits. If you additionally want to process the credit card electronically,
see Business::OnlinePayment
Original author is Jon Orwant , The Perl Journal and MIT
Media Lab
Current maintainer is Ivan Kohler .
Please don't bother Jon with emails about this module.
Lee Lawrence , Neale Banks and
Max Becker contributed support for additional card
types. Lee also contributed a working test.pl.