I mean this: https://javacc.com/2022/12/12/nfa-demystified/

It's a ~~first~~second draft. I'm planning to polish it up a bit more and submit it to the Oracle Java Magazine. I told the editor that I would have more articles for him and now it's nearly a year and a half, but I do find it hard to write.

In any case, I'm quite interested in any feedback on that article and this discussion forum would be the place to discuss it.

Oh, and maybe somebody (I mean Vinay, I guess) would be willing to put in the incremental work to adapt the article for a Python (or maybe C#) audience. Then we could think about where to submit that to as well. Well, also, I'm thinking on various fronts and this article (independently of whether it appears as a standalone piece in the Oracle Java mag or elsewhere) should also eventually be a chapter in our (eventual) docs. This whole project is so undermanned that we do have to think constantly in terms of killing two (or more) birds with one stone.