sometimes we compile a full DFA ahead of time as well - it’s a configurable size threshold in RE#, but lazy construction with a 100-state threshold is the default and i’d recommend it for most use cases, since it gives you the best of both worlds - you can handle large regexes without worrying about blowup, but you also get very fast matching for the common case.
Mickey Petersen’s new book, Mastering Emacs, as he has an excellent
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10:31, 3 марта 2026Россия
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