# RE2 vs RegexBuddy

| Attribute | RE2 | RegexBuddy |
|---|---|---|
| **Vioscale score** | 48.8 (26% (low)) | 4.5 (15% (low)) |
| activity.commits_last_30d | 0 | - |
| adoption.github_stars | 9,785 | - |
| deployment.options | `{"self_hosted":true}` | - |
| description.long | RE2 is a C++ library providing a thread-safe alternative to traditional backtracking regex engines like PCRE and Perl, prioritizing predictable performance and security over feature completeness. | RegexBuddy provides an integrated environment for working with regular expressions, offering testing and learning capabilities alongside automatic code snippet generation tailored to specific programming languages, and tools for organizing regex pattern libraries. |
| integrations.count | 1 | 2 |
| integrations.list | `[{"name":"GitHub"}]` | `[{"name":"AceText"},{"name":"PowerGREP"}]` |
| language.primary | C++ | - |
| license.spdx | BSD-3-Clause | - |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"windows":true}` |
| pricing | `{"type":"open_source","summary":"Open source, free","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-19T21:07:02.645Z"}` | `{"type":"perpetual","freeTier":false,"sourceUrl":"https://www.regexbuddy.com/","retrievedAt":"2026-08-20T12:48:13.288Z"}` |
| pricing.free_tier | yes | no |
| pricing.model | commercial | commercial |
| pricing.price_level | free | unknown |
| pricing.transparent | yes | no |
| release.cadence_days | 30 | - |
| release.history | `[{"url":"https://github.com/google/re2/releases/tag/2025-11-05","date":"2025-11-05T14:47:56Z","type":"stable","version":"2025-11-05"},{"url":"https://github.com/google/re2/releases/tag/2025-08-12","date":"2025-08-12T21:55:43Z","type":"stable","version":"2025-08-12"},{"url":"https://github.com/google/re2/releases/tag/2025-08-05","date":"2025-08-05T19:17:59Z","type":"stable","version":"2025-08-05"},{"url":"https://github.com/google/re2/releases/tag/2025-07-22","date":"2025-07-22T15:33:14Z","type":"stable","version":"2025-07-22"},{"url":"https://github.com/google/re2/releases/tag/2025-07-17","date":"2025-07-17T21:38:46Z","type":"stable","version":"2025-07-17"},{"url":"https://github.com/google/re2/releases/tag/2024-07-02","date":"2024-07-01T14:01:30Z","type":"stable","version":"2024-07-02"},{"url":"https://github.com/google/re2/releases/tag/2024-07-01","date":"2024-06-30T14:08:55Z","type":"stable","version":"2024-07-01"},{"url":"https://github.com/google/re2/releases/tag/2024-06-01","date":"2024-05-31T14:06:16Z","type":"stable","version":"2024-06-01"},{"url":"https://github.com/google/re2/releases/tag/2024-05-01","date":"2024-04-30T14:20:08Z","type":"stable","version":"2024-05-01"},{"url":"https://github.com/google/re2/releases/tag/2024-04-01","date":"2024-03-31T13:09:37Z","type":"stable","version":"2024-04-01"},{"url":"https://github.com/google/re2/releases/tag/2024-03-01","date":"2024-02-29T13:08:49Z","type":"stable","version":"2024-03-01"},{"url":"https://github.com/google/re2/releases/tag/2024-02-01","date":"2024-01-31T13:10:12Z","type":"stable","version":"2024-02-01"},{"url":"https://github.com/google/re2/releases/tag/2023-11-01","date":"2023-10-31T15:21:01Z","type":"stable","version":"2023-11-01"},{"url":"https://github.com/google/re2/releases/tag/2023-09-01","date":"2023-08-31T14:44:43Z","type":"stable","version":"2023-09-01"},{"url":"https://github.com/google/re2/releases/tag/2023-08-01","date":"2023-07-31T14:42:03Z","type":"stable","version":"2023-08-01"},{"url":"https://github.com/google/re2/releases/tag/2023-07-01","date":"2023-06-30T17:59:47Z","type":"stable","version":"2023-07-01"},{"url":"https://github.com/google/re2/releases/tag/2023-06-02","date":"2023-06-01T14:08:47Z","type":"stable","version":"2023-06-02"},{"url":"https://github.com/google/re2/releases/tag/2023-06-01","date":"2023-05-31T15:26:12Z","type":"stable","version":"2023-06-01"},{"url":"https://github.com/google/re2/releases/tag/2023-03-01","date":"2023-03-01T07:36:46Z","type":"stable","version":"2023-03-01"},{"url":"https://github.com/google/re2/releases/tag/2023-02-01","date":"2023-02-01T07:45:12Z","type":"stable","version":"2023-02-01"}]` | - |
| security.disclosure_policy | yes | - |
| security.scorecard | 6.3 | - |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=google-re2&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Regex Tools)

| Capability | RE2 | RegexBuddy |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Redos resistant | - | - |
| Lookaround support | - | - |
| Backreferences | - | - |
| Unicode property escapes | - | - |
| Named captures | - | - |
| Multi pattern matching | - | - |
| Interface type | - | - |
| Visualization | - | - |
| Code generation | - | - |

*Source: Vioscale. Generated 2026-09-01T17:24:41.011Z. "-" = undocumented, not absent.*