333
Oh boy what a beautiful regex. I'm sure it does something logical and easy to understand.
(lemmy.world)
^.?$|^(..+?)\1+$
Matches strings of any character repeated a non-prime number of times
Getting butthurt and personal over an offhand remark in a humour community is really toxic and you should probably work on that.
I trust that you can be better, my good buddy ❤