Introduction to Regular Expressions using JavaScript

Published on 25th of September 2008. Copyright Tavs Dokkedahl. Displayed 5102 time(s)

This tutorial is for anyone who wants to learn how regular expressions work. The tutorial uses the JavaScript programming language but is general enough that you can use it as a reference for other languages as well.

The tutorial is divided into several parts slowly increasing in complexity and skill level.

• Part 1 - What is regular expressions?
• Part 2 - Working with character classes
• Part 3 - Counting and repeating characters
• Part 4 - Special characters and grouping