Oh crap! I've never been good at regex, always struggled with the black art but I think I've found a new game to play!
Currently stuck on tutorial #4 Can't figure out why AB isn't correct.
Top A must be right, A* = A followed by zero or more A's
Bottom line AB* = A followed by zero or more B's
Does that mean that these puzzles don't have a single answer each like Sudoku???
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