this post was submitted on 31 Oct 2024
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Programmer Humor

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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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[–] Speiser0@feddit.org 11 points 9 months ago

Regular expressions in general, and automata theory, sure you should know about that. But a specific extended regex language like here? That's like saying you're shit at coding if you can't do .