It is more compact, you don't want too long words when solving problems (that don't have long lines of codes tow write)

Am I alone who solved it with two Maps? :))
Its took me so long getting understand whats written here

It is bad practice. IndexOf iterates for each search. But could be creative.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_expressions

A foundation in game theory is required to solve this kata

Clever one, but I liked it and hope to use the new knowledge from it one day

It might need some readability but besides that, it's quite efficient.

This solution would be better if it used a named constant instead of the abstract value.

what a perfect sol...

same to same with different words

the joy of coding 😂 feel your pain

what about "\nbug" ? is it out of the scope of this kata ? some solutions would not detect it

Almost tied your solution for speed (yours is still a split hair faster) :]

Fun kata!