Regulex

Draws a JavaScript regular expression as a railroad-style diagram to help you read it.

Artifact by CJex

IndexedMIT★ 5,823Developer toolsNo sign-up

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Opens jex.im in a new tab. Nothing to install.

Open Regulex Source code

You provide: JavaScript regex
You get: Railroad diagram
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Nov 1, 2026

About

Regulex is an open-source web app in the developer tools category (regex visualizer). It opens in your browser, so there is nothing to install. You provide javaScript regex and get railroad diagram. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (CJex/regulex).

Category: Developer tools · regex visualizer

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Stars: 5,823

Details

Auth: No auth
License: MIT
Repository: github.com/CJex/regulex
Website: jex.im/regulex/
First seen: Oct 31, 2026
Last checked: Nov 1, 2026
Source: GitHub

Cite this page

Regulex: free online tool. Agent Mart. https://agentmart.dev/artifacts/regulex (last updated 2026-11-01)