# regex (Python module) vs RegExr

| Attribute | regex (Python module) | RegExr |
|---|---|---|
| **Vioscale score** | 68.7 (26% (low)) | 42.4 (19% (low)) |
| activity.commits_last_30d | 1 | 0 |
| adoption.github_stars | 596 | 10,353 |
| adoption.package_downloads_weekly | 96,034,844 | - |
| deployment.options | - | `{"cloud":true,"self_hosted":true}` |
| description.long | A Python module providing advanced regex capabilities including Unicode 17.0.0 support, nested character sets, full case-folding, and recursive patterns. It serves as an enhanced alternative to Python's built-in re module. | A web-based regex editor with real-time pattern matching feedback, supporting both JavaScript and PCRE flavors. Includes educational references, testing suites, community pattern sharing, and analysis tools for expressions and replacements. |
| language.primary | C | JavaScript |
| license.spdx | - | GPL-3.0 |
| platform.support | - | `{"web":true}` |
| pricing | `{"type":"open_source","summary":"Open source, freely available via pip","freeTier":true,"sourceUrl":"https://pypi.org/project/regex/","retrievedAt":"2026-08-19T21:08:13.244Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://regexr.com/","retrievedAt":"2026-08-19T21:11:43.370Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | yes | - |
| release.cadence_days | - | 16 |
| release.history | - | `[{"url":"https://github.com/gskinner/regexr/releases/tag/3.6.1","date":"2019-03-19T19:52:32Z","type":"stable","version":"3.6.1"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.6.0","date":"2019-03-16T15:42:52Z","type":"stable","version":"3.6.0"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.5.5","date":"2019-02-27T12:28:02Z","type":"stable","version":"3.5.5"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.5.4","date":"2019-02-26T15:39:20Z","type":"stable","version":"3.5.4"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.5.3","date":"2018-11-02T18:59:22Z","type":"stable","version":"3.5.3"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.5.2","date":"2018-10-05T17:31:39Z","type":"stable","version":"3.5.2"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.5","date":"2018-09-11T22:30:23Z","type":"stable","version":"3.5"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.4","date":"2018-07-04T17:50:49Z","type":"stable","version":"3.4"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.3","date":"2018-06-18T22:10:38Z","type":"stable","version":"3.3"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.2.1","date":"2018-06-13T17:46:08Z","type":"stable","version":"3.2.1"},{"url":"https://github.com/gskinner/regexr/releases/tag/3.2","date":"2018-06-11T17:56:39Z","type":"stable","version":"3.2"}]` |
| security.scorecard | 4.9 | 2 |

## Capabilities (Regex Tools)

| Capability | regex (Python module) | RegExr |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Redos resistant | - | - |
| Lookaround support | - | - |
| Backreferences | - | - |
| Unicode property escapes | - | - |
| Named captures | - | - |
| Multi pattern matching | - | - |
| Interface type | - | - |
| Visualization | - | - |
| Code generation | - | - |

*Source: Vioscale. Generated 2026-09-01T14:54:59.924Z. "-" = undocumented, not absent.*