No known security advisories.
The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.
regress has 3.7M monthly downloads and 3 GitHub stars. Version 2025.10.1 supports Python 3.10+, first published in 2020.
It is actively maintained under a permissive license, last released in Oct 2025.
It is used by 1 tracked package, including check-jsonschema.
GitHub topics include pyo3-rust-bindings, regex and regular-expressions.
Package Insights
Package Risks
- Moderate bus factor: only 5 contributor(s) for this download volume
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
80
Popularity
13
Adoption
70
Community
50
Provenance
0
How the maintenance status was determined
Last commit
14 days ago
Monthly downloads
3,723,502
•
Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
3,723,502
Stars
3
Stars per 1k downloads
0.00
Industry Standard
> 10,000,000 monthly downloads
•
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
119,501
Month daily avg
124,117
Momentum
-3.7%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100Python version support tiers
requires_python
>=3.10
Cutting Edge
Minimum supported version is 3.12 or newer
•
Modern
Minimum supported version is 3.9, 3.10, or 3.11
Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
MIT License
•
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
271 days ago
Total releases
17
Releases/year
2.7
Rapid
Last release within 365 days and > 12 releases/year
•
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
5
Monthly downloads
3,723,502
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
•
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
25
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
250.0%
contrib / forks
Stale Release
257d
PR Velocity
Active
Weekly Downloads
GitHub Stars
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.
Downloads by OS
Linux
45.9K
Windows
701
macOS
270
Python Versions
3.12
26.6%
12.3K
3.13
25.6%
11.8K
3.14
22.1%
10.2K
3.11
20.9%
9.6K
3.10
4.9%
2.3K
Top Countries
1.
US
36.9K
US
2.
NL
6.3K
NL
3.
DE
1.6K
DE
4.
ES
357
ES
5.
IE
355
IE
6.
SG
249
SG
7.
GB
219
GB
8.
JP
194
JP
9.
FR
155
FR
10.
HK
151
HK
Dependencies
0
No dependencies
Used By
1
GitHub Topics
Tags from the package's GitHub repository describing what it does.
Package Information
License
MIT License
First Release
April 19, 2020
Last Release
9 months ago
Last Commit
2 weeks ago
Latest Version
2025.10.1
Total Releases
17
Contributors
5
Open PRs
3
Archived
No
Python Versions
3
3.10
3.11
3.12
3.13
3.14
Wheels
cp310
cp311
cp312
cp313
cp314
cp38
cp39
pp310
pp311
pp38
pp39
Keywords
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh