Yeah, I don't like that - it makes you think you can delete the post, but no-can-do!
I was excited too; reg. expressions are so much fun!

So, shame on you for figuring it out!
:edit:
o.O and over a week old. I'm observant...psh, 'tis what I get for looking at topics with zero posts.
With that in mind, anyone else who stumbles upon this topic - what is the most complex regex you've made? (what was it for / what did it do, etc!)