MCP ServerSTDIOOfficialv1.0.4

Ryudi84 Regex Lab MCP Server

Test, match, and validate regular expressions with instant feedback. For developers who need to debug regex patterns, test replacements, and validate strings without leaving their chat interface.

io.github.ryudi84/regex-lab

Hosted URL

Local install

Transport

STDIO

Auth

No auth required

What the Ryudi84 Regex Lab MCP server does

How models use it and what it is built for.

Test, match, and validate regular expressions with instant feedback. For developers who need to debug regex patterns, test replacements, and validate strings without leaving their chat interface.

Connect to Ryudi84 Regex Lab

Local install — runs as a subprocess.

npx regex-lab-mcp@1.0.4

Resources

Where to find authoritative docs and source for Ryudi84 Regex Lab.

Example prompts for Ryudi84 Regex Lab

Paste any of these into Agent Studio after connecting Ryudi84 Regex Lab.

  • Test if this email pattern matches user@example.com: ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$
  • Replace all phone numbers in this text with [REDACTED] using regex
  • Validate whether this string matches the UUID pattern
  • Show me what groups this regex captures from the input string

Ryudi84 Regex Lab MCP server — FAQ

Common questions about connecting and running Ryudi84 Regex Lab.

  • What regex flavors does regex-lab support?

    The registry lists this as a regex testing and validation server, but specific flavor support (JavaScript, Python, PCRE, etc.) is not documented in available metadata. Check the project repository or documentation for dialect details.

  • How do I install and run regex-lab?

    Install via npm with `npx regex-lab-mcp@1.0.4`. It runs over stdio transport, so it integrates directly into MCP-compatible chat clients and IDEs.

  • Can I test regex replacements, or just matching?

    Yes—the server supports matching, replacing, and validation according to the registry description. You can test replacement patterns and see the results in real time.

  • Is there a cost or rate limit?

    No pricing information is available in the registry metadata. As an open-source MCP server, it likely runs locally with no external API costs or rate limits.

  • What's the difference between this and testing regex in my code editor?

    regex-lab integrates regex testing directly into your AI chat workflow, letting you iterate on patterns conversationally without switching tools. It's faster for quick validation and learning.

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