ccnum.scm Credit Card Number Utilities in Scheme

This is a Scheme library of a few utilities for validating and formatting credit card numbers. Credit card numbers are represented as strings containing digits and arbitrary whitespace. The procedures are based on information gleaned from dozens of written artifacts of credit card number oral tradition, including [Bradbury], [Gilleland], and [Hippy]. The author invites free copies of authoritative documentation.

This library should work with any R5RS-compliant Scheme implementation that has an error procedure similar to that in [SRFI-23].

See documentation for cites and more info...

The current version of ccnum.scm is 0.2 (2005-03-29).

You can download file ccnum.scm, Scheme source code.

You can download file ccnum.html, documentation in HTML format.

You can download file ccnum.pdf, documentation in PDF format.

You can download file ccnum-0-1.plt, PLT Scheme package.