Congratulations, you have found the Mirror of Erised.

It must be a bad feeling to read about this, but I still have to tell that at least three people have found this idea before you (and one of them was me): the previous japhs are Opere Citato Japh, One-liner japh, Just Another JAPH, and a later one is Perl FAQ.

However, I think your implementation is the best of all in that it hides the

(Update: so well in fact, that I might not even have noticed anything if it wasn't for Not_a_Number's reply. Pity he didn't use spoiler tags for the F-word.)

Also note that your japh has a good idea that's worth mentioning in a reply. Most japhs don't have any idea, and just put the overused ideas (like s with strange delimiters, punctation vars) to a visually new form. Some of my japhs are prone to that too.