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Find it online at sherlocode.com for OCaml projects!

And at sherlocoq.sirref.org for Coq libraries! (thanks to patricoferris <3)

This is a straightforward implementation of Regular Expression Matching with a Trigram Index by Russ Cox. For each of the characters, bigrams and trigrams, we store the set of line numbers where they appear. To answer a query, we first approximate the regex by enumerating the ngrams that are required/optional: the intersection/union of their indexed set yields good line candidates against which we can match the query.

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Realtime grep for OCaml/Coq sources available on opam

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