I personally love playing the game called "reconcile these very-important-but-utterly-without-tests sequences of gnarly regexes that were years ago copy-pasted

I personally love playing the game called "reconcile these very-important-but-utterly-without-tests sequences of gnarly regexes that were years ago copy-pasted in seven places and since then refactored, but only in three of the seven places, and in separate efforts each time".