Regex crossword puzzle

This showed up at the lab one day. Print it out, give it a try.
regexcrossword
I have no idea who to credit. If you don’t know what this is, that’s OK. In my opinion, ignorance, in this case, is bliss, but this explains the basic idea. And, if you’re interested, here are more puzzles.

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This entry was posted on Tuesday, August 26th, 2014 and is filed under straight-geek.