NateNate60@lemmy.world to Programmer Humor@lemmy.ml · edit-26 months agoOh boy what a beautiful regex. I'm sure it does something logical and easy to understand.lemmy.worldexternal-linkmessage-square34fedilinkarrow-up1185arrow-down16file-text
arrow-up1179arrow-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-26 months agomessage-square34fedilinkfile-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-up5·edit-26 months 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-squareNateNate60@lemmy.worldOPlinkfedilinkarrow-up3arrow-down1·6 months agoIt’s a line with a sequence of two or more characters repeated at least twice.
Syntactically valid Perl
Something like
It’s a line with a sequence of two or more characters repeated at least twice.