Developer Tools

Regex Match Extractor

Extract regex matches and groups from text input.

Tool

Use this regex match extractor to extract all regex matches, match positions, capturing groups, and named groups from text. It is useful for debugging patterns, parsing data, scraping structured strings, and testing regular expressions in a more detailed way than a simple pass or fail.

Input

Output

About this tool

Use this regex match extractor to extract all regex matches, match positions, capturing groups, and named groups from text. It is useful for debugging patterns, parsing data, scraping structured strings, and testing regular expressions in a more detailed way than a simple pass or fail.

Use regex match extractor when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.

Learn more

Regex Match Extractor Guide

Read step-by-step usage guidance, best practices, and common mistakes.

Regex Match Extractor FAQ

See common questions and answers about input, output, and tool usage.

Regex Match Extractor Examples

Review practical input and output examples before running the tool.

Related Tools

Find similar and supporting tools for adjacent actions and follow-up tasks.

Why use this tool

Shows detailed regex matches instead of simple yes or no results.
Useful for parsing, scraping, and capture-group debugging.
Helps inspect positions and extracted groups quickly.
Good for one-off regex analysis in the browser.
Runs directly in the browser with structured match output.

How to use

Enter the regex pattern, optional flags, and the sample text.
Run the tool to extract matches.
Review the matches, positions, and groups.
Copy the result if needed for debugging or development.

Examples

Example

Input

pattern=(\w+)@(\w+\.\w+)
flags=g
text=Contact us at test@example.com

Output

Matches with groups and positions

Extracts the full email plus its capture groups from the text.

Common errors

The regex is correct but the global flag is missing.

Fix: Add g when you want to extract all matches instead of only the first one.

Backslashes are entered incorrectly for the target regex engine.

Fix: Check escaping rules and test the smallest pattern first.

The input text does not actually match the pattern format.

Fix: Test against a minimal known-good example before trying the full text.

FAQ

What does Regex Match Extractor return?

It returns all matches, their index positions, and any capturing groups or named groups.

How do I provide the pattern and text?

You can use JSON input or key=value lines with pattern, flags, and text.

What is this useful for?

It is useful for parsing text, checking capture groups, and debugging how a regex behaves on real input.

Is this regex match extractor free to use?

Yes. It works online in the browser.

When should I use Regex Match Extractor instead of Regex Tester?

Use the extractor when you want detailed match results, positions, and groups. Use the tester when you mainly want a quick validation check.

Use cases

Extracting emails, IDs, numbers, or structured fields from text.
Checking capture groups while building regex patterns.
Debugging match behavior on logs or sample strings.