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Is this a crazy attitude to have? [See post body]
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This sounds useful
How do I learn to do it
Read this for a very light introduction to the concept, then type "parser combinator library " into a search engine and never maintain a regular expression again!
How does this method handle backtracking? It seems like, as written, those functions wouldn’t handle it
Some implementations don't support backtracking at all, but ones that do will have combinators like
where
atomic
andchoice
are parsers that take other parsers as arguments likeand
andor
in the article, though the advice is to avoid backtracking whenever possible since it's quite expensive. The little examples in the post are just a taste to make the idea legible, but not really suited for especially interesting parsers.