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regex-automata

v0.4.14 Growing

Automata construction and matching using regular expressions.

MIT OR Apache-2.0 Edition 2021 MSRV 1.65
Text processing #automaton#regex#dfa#nfa#automata

Quick Verdict

  • โœ“Actively maintained (updated 52d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.1K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
797.1M
Dependents
1.1K
Releases
38
Size
618KB

Deep Insights

๐Ÿ“Š
Steady growth

56.8M downloads in the last 30 days (1.9M/day), up 16% from the previous period.

๐Ÿ”—
Widely adopted

1.1K crates depend on regex-automata. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 84 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, regex-automata hasn't reached 1.0 yet. Expect potential API changes between versions.

๐ŸŒŸ
Used by top crates

Notable dependents include regex, tracing-subscriber, matchers, bstr, globset. When high-quality crates choose regex-automata, it's a strong quality signal.

Health Breakdown

Maintenance 15/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 13/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
1.6M/day avg+59%
0500K1.0M1.5M2.0M2.5M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.1.10
41%
v0.4.9
28%
v0.4.13
14%
v0.4.7
10%
v0.4.3
8%

Release Timeline

38 releases1 yankedsince 2019
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2019
10
2020
1
2021
1
2022
1
2023
14
2024
6
2025
4
2026
1
Less
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Yanked

Feature Flags

default =["std", "syntax", "perf", "unicode", "meta", "nfa", "dfa", "hybrid"]

dfa*nfa*std*meta*perf*allochybrid*syntax*loggingunicode*dfa-builddfa-searchnfa-pikevmdfa-onepassperf-inlineunicode-agenfa-thompsonperf-literalunicode-boolunicode-caseunicode-perlnfa-backtrackunicode-gencatunicode-scriptunicode-segmentinternal-instrumentunicode-word-boundaryperf-literal-substringinternal-instrument-pikevmperf-literal-multisubstring

README

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Maintainers

Dependencies
10
direct dependencies
Dependents
1.1K
crates depend on regex-automata

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