Pearson Education, Inc., 221 River Street, Hoboken, New Jersey 07030, (Pearson) presents this site to provide information about products and services that can be purchased through this site. The result? Simple validation of all major credit card types. The pattern here uses alternation (providing alternatives orstatements) to include all the previous patterns, each separated by a |. This is generally a good practice to remove any nondigits fromcredit card numbers before performing any regular expression processing.Īll credit cards follow a basic numbering scheme-an opening digitsequence followed by a specified number of digits. The patterns used here all assume that any embedded spaces or hyphens havebeen removed.
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