Regex Explain Tool

Paste your regular expression below to get a detailed, step-by-step explanation of how it works. Perfect for debugging and learning regex.

Your regex explanation will appear here...

How This Tool Works

Our Regex Explain Tool breaks down complex regular expressions into simple, understandable parts. It parses your pattern and provides a token-by-token explanation.

✔️ **Instant Analysis:** Get an immediate breakdown of your regex pattern.
✔️ **Clear Definitions:** Each component (like `^`, `$`, `\d`, `+`) is explained in plain English.
✔️ **Flag Support:** Recognizes common flags like `g` (global), `i` (case-insensitive), and `m` (multiline).
✔️ **User-Friendly Interface:** Clean, simple, and easy to use for both beginners and experts.
✔️ **Free and Private:** Your data is processed in your browser and is never stored on our servers.

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FAQs about the Regex Explain Tool

What is a regular expression (regex)?

A regular expression is a sequence of characters that specifies a search pattern in text. It's a powerful tool used in programming and text editing to find, replace, and validate strings.

Are my regular expressions saved?

No. For your privacy, all processing is done locally in your browser. We do not store any of the patterns you enter.

Which regex flavors does this tool support?

This tool is designed to explain JavaScript-based regular expressions, which are very similar to patterns used in many other programming languages like Python, Java, and C#.