rustio rustio.net
76

regex

v1.12.3 Stable

An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.

MIT OR Apache-2.0 Edition 2021 MSRV 1.65

Quick Verdict

  • Actively maintained (updated 52d ago)
  • Stable API (1.x for 11+ years)
  • Massive adoption (225.4K crates depend on it)
  • Team maintained (3 owners)
  • Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
742.0M
Dependents
225.4K
Releases
166
Size
153KB

Deep Insights

📊
Steady growth

51.0M downloads in the last 30 days (1.7M/day), up 19% from the previous period.

🏛️
Foundational crate

225.4K crates depend on regex — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

👤
Prolific maintainer

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

Stable for 11+ years

The API has been stable (1.x) for over 11 years with 166 releases. This level of maturity means you can depend on it without worrying about breaking changes.

🌟
Used by top crates

Notable dependents include once_cell, tracing-subscriber, which, bindgen, matchit. When high-quality crates choose regex, it's a strong quality signal.

Health Breakdown

Maintenance 16/25

Recency, release consistency, active ratio

Quality 20/25

Yanked ratio, deps, size, maturity, features

Community 17/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads · last 90 days
1.4M/day avg+63%
0500K1.0M1.5M2.0M12/291/162/32/213/113/28

Top Dependents

Version Adoption

v1.11.1
47%
v1.12.2
19%
v1.10.6
13%
v1.10.2
12%
v1.12.3
9%

Release Timeline

166 releases4 yankedsince 2014
J
F
M
A
M
J
J
A
S
O
N
D
2014
5
2015
40
2016
34
2017
6
2018
14
2019
13
2020
11
2021
9
2022
4
2023
18
2024
6
2025
5
2026
1
Less
More|
Yanked

Feature Flags

default =["std", "perf", "unicode", "regex-syntax/default"]

std*perf*loggingpatternunicode*use_stdperf-dfaunstableperf-cacheperf-inlineunicode-ageperf-literalperf-onepassunicode-boolunicode-caseunicode-perlperf-dfa-fullperf-backtrackunicode-gencatunicode-scriptunicode-segment

README

Loading README...

Maintainers

Dependencies
9
direct dependencies
Dependents
225.4K
crates depend on regex