Regex Lab

Test regular expressions in a timeout-guarded worker, explain them, find catastrophic backtracking.

Connector by basitalisandhu · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 1

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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/basitalisandhu-mcp-regex-lab

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Test regular expressions in a timeout-guarded worker, explain them, find catastrophic backtracking.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 26, 2026.

Tools: 3 read · 0 write · 0 deleteRead-only
Secrets: None asked for
Install scripts: None found
Runs as: Docker image

Tools by what they do 3

Read from the source code; the running server may list different tools.

Read 3 · Look things up without changing anything.

check_redos
explain_regex
test_regex

Network hosts it talks to 2

basitalisandhu.github.io · found in code
github.com · found in code

Tools (3)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

check_redosCheck a regex for catastrophic backtrackingread-only
Description is built at runtime.
explain_regexExplain a regexread-only
Parse a pattern and describe it construct by construct: literals, character classes, escapes, anchors, groups (capturing, named, non-capturing, lookaround), quantifiers (greedy and lazy) and alternation, as indented lines plus the number of capturing groups. Reports a syntax error with its position when the pattern does not parse.
test_regexTest a regex against samplesread-only
Description is built at runtime.

Signals

Stars: 1
Forks: 3
Open issues: 5
Last commit (this folder): Oct 18, 2026 (12 days ago)
Last release: Oct 18, 2026 (12 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name: io.github.basitalisandhu/mcp-regex-lab
Version: 0.2.2
Auth: No auth
Packages: oci ghcr.io/basitalisandhu/mcp-regex-lab:0.2.2
License: MIT
Repository: github.com/basitalisandhu/dev-mcp-servers
Website: basitalisandhu.github.io/dev-mcp-servers/
First seen: Oct 24, 2026
Last checked: Oct 25, 2026
Source: Official MCP Registry github-graphql

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Cite this page

Regex Lab MCP server. Agent Mart. https://agentmart.dev/connectors/basitalisandhu-mcp-regex-lab (last updated 2026-10-25)