334

Oh boy what a beautiful regex. I'm sure it does something logical and easy to understand. (lemmy.world)

submitted 2 months ago* (last edited 2 months ago) by NateNate60@lemmy.world to c/programmerhumor@lemmy.ml

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^.?$|^(..+?)\1+$

Matches strings of any character repeated a non-prime number of times

https://www.youtube.com/watch?v=5vbk0TwkokM

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[-] sundray@lemmus.org 56 points 2 months ago

Relevant xkcd:

this post was submitted on 31 Oct 2024

334 points (97.7% liked)

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