Crucial Concepts Behind Advanced Regular Expressions | How-To | Smashing Magazine
by Yann_L & 2 other(s)we present an introduction to advanced regular expressions, with eight commonly used concepts and examples. Each example outlines a simple way to match patterns in complex strings. If you do not yet have experience with basic regular expressions, have a look at this article to get started. The syntax used here matches PHP’s Perl-compatible regular expressions.