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submitted 8 months ago* (last edited 8 months ago) by NateNate60@lemmy.world to c/programmerhumor@lemmy.ml

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

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

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

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[-] NigelFrobisher@aussie.zone 3 points 8 months ago

It matches “yo momma”.

[-] RiQuY@lemm.ee 3 points 8 months ago

Looks like APL to me.

[-] JackbyDev@programming.dev 2 points 8 months ago

The pipe is throwing me off because usually I have to do parentheses for that to work...

[-] ShaunaTheDead@fedia.io 2 points 8 months ago

It matches for non-primes and doesn't match for primes.

[-] FourPacketsOfPeanuts@lemmy.world 1 points 8 months ago* (last edited 8 months ago)

I'm I the only one who pronounces regex with a soft g? Hard g feels so clunky

[-] Sylvartas@lemmy.world -2 points 8 months ago

All my homies hate regexs. That's actually the best use case I found for LLMs so far : I just tell it what I want it to match or not match, and it usually spits out a decent one

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this post was submitted on 31 Oct 2024
343 points (98.0% liked)

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