# RE2 alternatives

The highest-scoring alternative to RE2 in Regex Tools is **regex (Python module)** (69/100), against RE2's 49/100. Ranked on independent signals, not user reviews. No vendor pays for placement.

| # | Alternative | Score | Confidence | Compare |
|--:|---|--:|---|---|
| 1 | [regex (Python module)](https://www.vioscale.ai/software/regex-python-module) | 69 | 26% (low) | [RE2 vs regex (Python module)](https://www.vioscale.ai/compare/re2-vs-regex-python-module) |
| 2 | [Hyperscan](https://www.vioscale.ai/software/hyperscan) | 58 | 19% (low) | [RE2 vs Hyperscan](https://www.vioscale.ai/compare/hyperscan-vs-re2) |
| 3 | [Oniguruma](https://www.vioscale.ai/software/oniguruma) | 58 | 19% (low) | [RE2 vs Oniguruma](https://www.vioscale.ai/compare/oniguruma-vs-re2) |
| 4 | [PCRE2](https://www.vioscale.ai/software/pcre2) | 44 | 27% (low) | [RE2 vs PCRE2](https://www.vioscale.ai/compare/pcre2-vs-re2) |
| 5 | [RegExr](https://www.vioscale.ai/software/regexr) | 42 | 19% (low) | [RE2 vs RegExr](https://www.vioscale.ai/compare/re2-vs-regexr) |
| 6 | [RegexBuddy](https://www.vioscale.ai/software/regexbuddy) | 5 | 15% (low) | [RE2 vs RegexBuddy](https://www.vioscale.ai/compare/re2-vs-regexbuddy) |

RE2 itself ranks #4 of 7 in Regex Tools.

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*Source: Vioscale (https://www.vioscale.ai/alternatives/re2). Generated 2026-09-01T14:41:45.916Z.*