10 Easy Examples for Deciphering PHP Regular Expressions
Because of the obtuse syntax, some would contend that regular expressions are unlike riding a bicycle or tying your shoes in that it's difficult to retain a working understanding of them over the long term.
Hmm. True dat, if you don't use them often.
This article by W. Jason Gilmore hopes to make it a bit easier to learn, but of course can also be used as a simple reference.
http://phpbuilder.com/columns/Regular-Expressions/Jason_Gilmre072010.php3
