Ensures credit card numbers are keyed in correctly. Includes checks that the length is correct, the first four digits are within accepted ranges, the number passes the Mod 10 Checksum and that you accept the given type of card. Accurately processes cards from American Express, Australian BankCard, Carte Blache, Diners Club, Discover/Novus, JCB, MasterCard and Visa.

Price: Free - Added: 2002-07-29 - Hits: 118