Programmer Humor

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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 to c/[email protected]

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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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[–] Treczoks 4 points 2 months ago

I have to admit that using CL-PPCRE does not really help me understanding the regexp any better. But this may be because I deal with complex regexps for decades now, and I just read them.