If you really want to learn regex, you'll have a hard time piecing it all togeth... | Hacker News

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		gorjusborg on March 20, 2024 \| parent \| context \| favorite \| on: Regex character "$" doesn't mean "end-of-string" If you really want to learn regex, you'll have a hard time piecing it all together via blog posts. Brad Freidl's Mastering Regular Expressions is a good book to read if you want to stop being surprised/lost. I'll admit I stopped at the dive into DFA/NFA engine details.

macintux on March 20, 2024 [–]

Writing a string -> NFA -> DFA grep-like tool is one of my most memorable college projects. Had a lot of fun with that, and decades later I ended up reusing some of the concepts for a work project.

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