NateNate60@lemmy.world to Programmer Humor@lemmy.ml · edit-26 days agoOh boy what a beautiful regex. I'm sure it does something logical and easy to understand.lemmy.worldimagemessage-square30fedilinkarrow-up15arrow-down10file-text
arrow-up15arrow-down1imageOh 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-26 days agomessage-square30fedilinkfile-text
^.?$|^(..+?)\1+$ <answer> Matches strings of any character repeated a non-prime number of times https://www.youtube.com/watch?v=5vbk0TwkokM
minus-squareRegalPotoo@lemmy.worldlinkfedilinkEnglisharrow-up0·edit-26 days agoSomething like !“A line with exactly 0 or 1 characters, or a line with a sequence of 1 or 3 or more characters, repeated at least twice”!<
minus-squarenaonintendois@programming.devlinkfedilinkarrow-up1·6 days agoYou’re misreading the ..+? part. That means 2 or more characters, non greedy.
Syntactically valid Perl
Something like
You’re misreading the
..+?part. That means 2 or more characters, non greedy.