From 752f80ce2c000b800544cc22c955d6b3d1e3fd91 Mon Sep 17 00:00:00 2001 From: ivan Date: Mon, 11 Jun 2001 11:45:39 +0000 Subject: [PATCH] added enRoute, JCB, BankCard, rewrote with regexes, 0.24 --- CreditCard.pm | 34 ++++++++++++++++++++++++++++------ 1 file changed, 28 insertions(+), 6 deletions(-) diff --git a/CreditCard.pm b/CreditCard.pm index c37d8c6..b083411 100644 --- a/CreditCard.pm +++ b/CreditCard.pm @@ -9,12 +9,13 @@ package Business::CreditCard; # short numbers and numbers with letters are no longer kosher. # 1 Feb 2001 - 0.22 released, new maintainer, MakeMaker installation # 3 May 2001 - 0.23 released, silly bug in test.pl +# 11 Jun 2001 - 0.24. added enRoute, JCB, BankCard, rewrote with regexes # # Copyright 1995,1996,1997 Jon Orwant. All rights reserved. # This program is free software; you can redistribute it and/or # modify it under the same terms as Perl itself. # -# Version 0.23. Module list status is "Rdpf." +# Version 0.24. Module list status is "Rdpf." require 5; @@ -93,14 +94,35 @@ sub cardtype { return "Not a credit card" unless length($number) >= 13 && 0+$number; - return "VISA card" if substr($number,0,1) == "4"; - return "MasterCard" if substr($number,0,1) == "5"; - return "Discover card" if substr($number,0,1) == "6"; - return "American Express card" if substr($number,0,2) == "37"; - return "Diner's Club, Transmedia, or other dining/entertainment card" if substr($number,0,1) == "3"; + return "VISA card" if $number =~ /^4\d{12}\d{3}?$/; + return "MasterCard" if $number =~ /^5[1-5]\d{14}$/; + return "Discover card" if $number =~ /^6011\d{12}$/; + return "American Express card" if $number =~ /^3[47]\d{13}/; + return "Diner's Club/Carte Blanche" + if $number =~ /^3(0[0-5]|[68]\d)\d{11}$/; + return "enRoute" if $number =~ /^2(014|149)\d{11}$/; + return "JCB" if $number =~ /^3\d{15}$/ + || $number =~ /^(2131|1800)\d{11}$/; + return "BankCard" if $number =~ /^56(10\d\d|022[1-5])\d{10}$/; return "Unknown"; } +# from http://perl.about.com/compute/perl/library/nosearch/P073000.htm +# Card Type Prefix Length +# MasterCard 51-55 16 +# VISA 4 13, 16 +# American Express (AMEX) 34, 37 15 +# Diners Club/Carte Blanche 300-305, 36, 38 14 +# enRoute 2014, 2149 15 +# Discover 6011 16 +# JCB 3 16 +# JCB 2131, 1800 15 +# +# from Neale Banks +# According to a booklet I have from Westpac (an Aussie bank), a card number +# starting with 5610 or 56022[1-5] is a BankCard +# BankCards have exactly 16 digits. + sub generate_last_digit { my ($number) = @_; my ($i, $sum, $weight); -- 2.11.0