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18 lines
863 B
Markdown
18 lines
863 B
Markdown
## Kleingrep
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Kleingrep is a regular expression engine, providing a library and command-line tool written in Go.
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It aims to provide a more featureful engine, compared to the one in Go's
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[regexp](https://pkg.go.dev/regexp), while retaining some semblance of efficiency.
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The engine does __not__ use backtracking, relying on the NFA-based method described in
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[Russ Cox's articles](https://swtch.com/~rsc/regexp). As such, it is immune to catastrophic backtracking.
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It also includes features not present in regexp, such as lookarounds and backreferences.
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### Syntax
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The syntax is, for the most part, a superset of Go's regexp. A full overview of the syntax can be found [here](https://pkg.go.dev/gitea.twomorecents.org/Rockingcool/kleingrep/regex#hdr-Syntax).
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__For more information, see https://pkg.go.dev/gitea.twomorecents.org/Rockingcool/kleingrep/regex__.
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