These are the formal rules for forming basic UNIX regular expressions. For some simple examples, skip to Simple Examples. The rules come from the Solaris 7 regexp(5) manual page. The I2A2 reflector ...

Once you get the hang of regular expressions, you'll find them invaluable. The trick is to start small - I'll show you how.

Regular expressions (or REGEX ... Given their complexity, this article offers streamlined summaries and examples of their use ...