NateNate60@lemmy.world to Programmer Humor@lemmy.ml · edit-21年前Oh boy what a beautiful regex. I'm sure it does something logical and easy to understand.lemmy.worldexternal-linkmessage-square73linkfedilinkarrow-up11arrow-down10file-text
arrow-up11arrow-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-21年前message-square73linkfedilinkfile-text
^.?$|^(..+?)\1+$ <answer> Matches strings of any character repeated a non-prime number of times https://www.youtube.com/watch?v=5vbk0TwkokM
minus-squareNateNate60@lemmy.worldOPlinkfedilinkarrow-up0·1年前They said— 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 Note— …or a line with a sequence of 1 or 3 or more characters, repeated at least twice It should be— …or a line with a sequence of 2 or more characters, repeated at least twice The regex in the post will match “abab”. Their original description (line 2 of this comment) will not match “abab”.
minus-squareMummifiedClient5000@feddit.dklinkfedilinkarrow-up0·1年前I agree, you’re right about the part after the pipe and RegalPotoo’s explanation was not entirely correct.
They said—
Note—
It should be—
The regex in the post will match “abab”. Their original description (line 2 of this comment) will not match “abab”.
I agree, you’re right about the part after the pipe and RegalPotoo’s explanation was not entirely correct.