NateNate60@lemmy.world to Programmer Humor@lemmy.ml · edit-215 days agoOh boy what a beautiful regex. I'm sure it does something logical and easy to understand.lemmy.worldexternal-linkmessage-square83fedilinkarrow-up1335arrow-down18file-text
arrow-up1327arrow-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-215 days agomessage-square83fedilinkfile-text
^.?$|^(..+?)\1+$ <answer> Matches strings of any character repeated a non-prime number of times https://www.youtube.com/watch?v=5vbk0TwkokM
minus-squareProfessorScience@lemmy.worldlinkfedilinkEnglisharrow-up12·14 days agoYeah backreferences in general are not “regular” in the mathematical sense.
Yeah backreferences in general are not “regular” in the mathematical sense.