PCI DSS Web Site
https://www.pcisecuritystandards.org/ -- Download the current PCI DSS specification here. The Reflection implementation is based on version 2.0 of the specification, issued in October of 2010.
Tools for regular expressions
The Expresso regular expression development tool can be found at: http://www.ultrapico.com/Expresso.htm.
This site provides common patterns for regular expressions: http://www.regexlib.com.
Micro Focus expressly disclaims any responsibility for the availability or performance of any of the tools or sources suggested in this document.