Vincent Danen goes over some basic regular expressions. They are handy for developers and programmers, of course, and can even be employed for Google searching.

Regular expressions also provide special characters to represent common character ranges. You could use “ [0-9]” to match any numeric digit, or you can use “\d”.

Part one of three on the basics of working with regular expressions.

Basic UNIX Regular Expressions The reflector can search for names using a key that is a UNIX basic regular expression. The PUIDNETD_DATA_RE ('r') field value gives the regular expression and some ...

Regular expressions are seriously powerful tools, but most folks without serious IT experience aren't familiar with them. A helpful blog post details eight useful expressions and how they work.

Decoding Regular Expressions ... The Basics Regular expressions are powerful because they let you search for dozens of permutations of text with a single trip to a Find window.