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You know what? If your management is telling you to use AI generated code to “go faster”, just go ahead and do it. But fork the repo first, in case you’re still around when they get fired and someone sensible says to put it back how it was before.
Git revert --hard no need to copy anything
Management: Fuck it, ship it.
The people at the top honestly don’t give a fuck if it barely works as long as it’s an excuse to cut costs. In things like Customer Service, barely working is a bonus, because it makes customers give up before they try to get their issue solved.
I mean, I bet it failed at making a regex that worked much faster than you could fail at writing a regex that worked. Sounds like progress! :D
I am always suspicious if a regex I write doesn’t throw some form of pattern compilation error. It usually means I’m not even close to the correct solution.
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.
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.
I love regex. I know, most don’t, but I do. GPT/Claude can write some convincing code, but their regexes can be spotted a mile away.
Just outta curiosity:
Full o1 model
“\\id:\[]]+\\\\[]]+\\\”
Claude 3.5 Haiku:
Never used elisp, no idea of any of this is right lmao
Claude at least created an elisp function that looks ok
3.5 sonnet might do a lot better, idk I’m on the free plan with Claude lmao
o1 without Markdown misformatting:
\\id:\\[^]]+\\\\\[^]]+\\\No idea what the rectangles are supposed to be, I just copy-pasted it
They are valid unicode points that your font doesn’t know about.
… or at least they represent that, but I think there’s a character that looks like one too.
It’s U+E001 from a Private Use Area. The UnicodePad app renders it as something between 鉮 and 鋁 (separate boxes stricken through; I wasn’t able to find it even with Google Lens)
I swear to god,someone must have written an intermediary language between regex and actual programming, or I’m going to eventaully do it before I blow my fucking brains out.
How do you think that would look? Regex isn’t particularly complicated, just a bit to remember. I’m trying to picture how you would represent a regex expression in a higher level language. I think one of its biggest benefits is the ability to shove so much information into a random looking string. I suppose you could write functions like, startswith, endswith, alpha(4), or something like that, but in the end, is that better?
People have unironically done that. No, it isn’t better. The fundamental mental model is the same.
I honestly think it can be a lot more readable, especially when the regex would have been in the thousands of characters.
I want to see their unironic attempts, maybe they’re useful to me at least if they’re not better.
The fundamental mental model is the same.
It’s not the fundemental model that I have a problem with for Regex, it’s the fucking brainfuck tier syntax
fucking SOLD
I suppose you could write functions like, startswith, endswith, alpha(4), or something like that,
yes.
but in the end, is that better?
YES.
startswith('text'); lengthMustBe(5); onlyContain(CHARSETS.ALPHANUMERICS); endswith('text');is much more legible than []],[.<{}>,]‘text’[[]]][][)()(a-z,0-9){}{><}<>{}‘text’{}][][
Assuming “text” in your example is a placeholder for a 5 digit alpha string, it can be written like this in regex: /[a-zA-Z0-9]{5}/
If ”text" is literal, then your statement is impossible.
I think that when it gets to more complex expressions like a phone number with country code that accepts different formats, the verbosity of a higher level language will be more confusing, or at least more difficult to take in quickly.
intermediary language between regex and actual programming
It’s called Haskell.
