NateNate60@lemmy.world to

Programmer Humor@lemmy.ml · 2 months ago

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

341

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

NateNate60@lemmy.world to

Programmer Humor@lemmy.ml · 2 months ago

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

<answer>

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

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

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I was a sysadmin with some Linux usage in 1998, does that count?

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