It`s not a solution. Since the goal was to remove vulnerabilities, and with this decision they remained

very slow

Flags are the base for manipulating control flow in assembly.

okay, now I know that flags exist!

Very strange. Looking at your code, I believe that the codemirror mode gets stuck and hangs when it encounters )\ when the bracket is unmatched. I will try fix it as soon as possible (Note that this will apply to any LC kata, not just this one).

This kata is stuck on loading for me. Can you help with it?

This is so slow. Simple foreach loop is more than 10 times faster.
You have to do 2 iterations here. With loop you iterate only once.

bro make your kata a bit easier

I think you mean "wh4t"

what

In love with this one!

You can simplify this a bit with unsafeRegex from Data.String.Regex.Unsafe.

Very concise.