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Just because it's my windmill to tilt at: `[\s\S]` can be written shorter and more precisely as `[^]`.

[\s\S] vs. [^]

A quixotic windmill tilt if ever I saw one.

ai says [^] is not portable; I did not test it. Too bad, I'll stick to [\s\S].

Too bad, indeed. It's well-defined in javascript (and thus, appropriate in this admittedly niche context). It's non-portable across different regex engines, yes.

exactly what I said

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