A script that allows to perform search-and-replace operations with extended regular expressions from Unix shells.

A simple JavaScript real-time regular expression evaluator, similar to RX tool of Activestate's Komodo IDE.

A tool that allows programmers to generate a working program in a variety of languages that extracts data mined regular expressions from strings.

This article by Richard Lowe demonstrates four powerful and practical applications of regular expressions.

Articles in two parts about using Regular Expressions with VCScript.

This article, by Troy Eberhard, examines how to create a Printer Friendly Page using Microsoft's XMLHTTP component along with regular expressions.

An article that gives 12 reasons for learning and using Regular Expressions.