(If you're wondering what prompted this bit of useless code, look at the perltodo shipped with 5.6.x and later. It's under "Alternative RE Syntax".)
It's not entirely useless. Captures into variables are nice.
I'll write up some documentation and update the version on my website before putting it out to the world as a whole. I just figured, if pudge loves all of you folks, you're worth entertaining.