NateNate60@lemmy.world to Programmer Humor@lemmy.ml · edit-225 days agoOh boy what a beautiful regex. I'm sure it does something logical and easy to understand.lemmy.worldexternal-linkmessage-square82fedilinkarrow-up1332arrow-down19file-text
arrow-up1323arrow-down1external-linkOh boy what a beautiful regex. I'm sure it does something logical and easy to understand.lemmy.worldNateNate60@lemmy.world to Programmer Humor@lemmy.ml · edit-225 days agomessage-square82fedilinkfile-text
^.?$|^(..+?)\1+$ <answer> Matches strings of any character repeated a non-prime number of times https://www.youtube.com/watch?v=5vbk0TwkokM
Relevant xkcd: