On Wed, Sep 04, 2019 at 11:56:21AM -0400, Giles Orr via talk wrote:

https://regexcrossword.com/

As the co-worker who sent this to me said, "There goes my evening!"

I'm finding it a fun way to force myself to think through the minutiae of regex that I've often glossed over ... and because of that glossing over, I haven't improved as much as I might have wished.

Yeah that site is great. :) -- Len Sorensen