I'm about a hundred pages into O'Reilly's Mastering Regular Expressions by Jeffrey E. F. Friedl. So far it seems ok - at least, he hasn't totally lost me yet <grin!>. ISBN 1-56592-257-3. Make a good day . . . . . . barn ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Ethics only exists in the eyes of the beholder. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ _______________________________________ From: Clark, Michael [Michael.Clark at OFM.WA.GOV] Is there a good online tutorial somewhere on regular expressions? Or is there a simply outstanding book out there that covers regular expressions really well?