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cd8ec38a68
Previously, ripgrep would always defer to the regex engine's capturing matches in order to implement word matching. Namely, ripgrep would determine the correct match offsets via a capturing group, since the word regex is itself generated from the user supplied regex. Unfortunately, the regex engine's capturing mode is still fairly slow, so this commit adds a fast path to avoid capturing mode in the vast majority of cases. See comments in the code for details.
grep-regex
The grep-regex crate provides an implementation of the Matcher trait from
the grep-matcher crate. This implementation permits Rust's regex engine to
be used in the grep crate for fast line oriented searching.
Dual-licensed under MIT or the UNLICENSE.
Documentation
NOTE: You probably don't want to use this crate directly. Instead, you
should prefer the facade defined in the
grep
crate.
Usage
Add this to your Cargo.toml:
[dependencies]
grep-regex = "0.1"
and this to your crate root:
extern crate grep_regex;