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"AI is gonne take our jobs." The AI: (lemmy.world)

submitted 1 week ago by [email protected] to c/[email protected]

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[–] [email protected] 12 points 1 week ago (1 children)

As it learns from our data, no wonder it fucks up at regexps. They are the arcane knowledge not accessible to us mere mortals, nor to LLMs.

[–] [email protected] 9 points 1 week ago (1 children)

If you know even a little about how an LLM works it's obvious why regex is basically impossible for it. I suspect perl has similar problems, but no one is capable of actually validating that.

[–] [email protected] 3 points 6 days ago (1 children)

What do you mean it's impossible for it? I know how LLMs work but I don't know if any such limitations

Write me a regex that matches a letter repeated four times, followed by a 3 or 4 digit number

Here’s your regex: ([a-zA-Z])\1{3}\d{3,4}

[–] [email protected] 4 points 6 days ago

They aren't context aware, it's using statistical probability. It can replicate things it's seen a lot of like a tutorial regex. It can't apply that to make a more complicated one. Regex in the wild isn't really standard at all, because it's rarely used to solve common problems. It has a bunch of random regexs from code it analyzed and will spit something out that looks similar.