# regex-check-mcp

> regex-check-mcp — arhancanli-regex-check-mcp. Use this tool when you need to test and validate regular expressions across different engines, including JavaScript, Python, PCRE2, and RE2 (Go), to ensure compatibility and identify potential issues like ReDoS. It takes regex patterns and test strings as input and outputs match results, groups, and performance metrics. Ideal for developers working with regex in various programming languages and environments.

Canonical page: https://skillsregistry.net/skills/arhancanli-regex-check-mcp  
JSON: https://api.skillsregistry.net/v1/skills/arhancanli-regex-check-mcp

## Description

Tests regexes on real engines: JavaScript, Python, PCRE2, RE2 (Go). Matches, groups, ReDoS.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-27

## Source

- **Source listing:** [GitHub](https://github.com/arhancanli/regex-check-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "arhancanli-regex-check-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/arhancanli-regex-check-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/arhancanli-regex-check-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt