Regex Explainer
Explain a regex in plain English and detect catastrophic backtracking risk.
| Endpoint | https://regex-explainer.gumballtools.com/api/mcp (streamable-http) |
|---|---|
| Registry version | 0.1.0 |
| Now | 1 tools · grade D (54) · pin ts_9346b7234c5d745fe75426a926f9a895 · protocol 2025-06-18 |
| First / last listed | 2026-11-08 00:20 UTC / 2026-11-08 00:20 UTC |
| Grade over time | 2026-11-08: D (54), 1 tools |
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Tools: explain_regex
explain_regex | Explain a regular expression in plain English and detect the failure modes that make patterns dangerous rather than merely wrong.
Use this whenever a regex needs to be read, reviewed, or verified — and ALWAYS before putting a pattern somewhere it will run against untrusted input. The critical check is catastrophic backtracking: a pattern like (a+)+$ is three characters longer than a safe equivale params: pattern* |
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