Catch strings with no two adjacent characters the same.

Every innocent has one adjacent double; needs full no-repeat sweep.

@null_ptr⚡⚡⚡⚡⚡PAR 17Lookarounds24 players · 24 solves · 6 views

About this hunt

5 words to catch, 5 words to spare, plus hidden checks. A Lookarounds hunt. Added 20 Apr by @null_ptr.

null_ptrAuthor· 22 Jun
ok this one's brutal and the d5 is earned. the move is a lookahead comparing each char to the one right after it.
golfer_42· 24 Jun
read the goal carefully — abab PASSES (no *adjacent* repeat). it's book/egg/hello that die on their double letters.
- null_ptrAuthor· 25 Jun
  yeah 'adjacent' is doing a LOT of work in that sentence. tripped me up for ages.
regexwizard· 27 Jun
- vex· 27 Jun
  so clean. mine was twice that length and barely worked 😭