Though not specifically related to PHP, I wanted to share a helpful tip that Tiffany Brown has posted to her blog today - a nice, compact regular expression to handle the matching of email addresses.

A few weeks ago, I posted a regular expression pattern < href="http://tiffanybbrown.com/2006/11/09/a-pattern-for-matching-e-mail-addresses/">for matching e-mail addresses. Below is a more refined version:

Not only does it match the traditional email address formats, but it also will match addresses with periods in the name, British domains, and new TLDs like '.travel' or '.museum'.