I just received a comment on my last blog entry from John Kemp pointing me toward some further regex readings - thanks John,

I actually linked to that article a couple of months back.  Mark (^zhurnal) also read it and wrote some follow-up thoughts of his own:

    http://zhurnal.net/ww/zw?RegExplanations

I'm posting this because I just realized that I never did link to Mark's review :-)