ilovekit

Regex Match Breakdown

6 tools

See every match's capture groups individually.

Runs in your browser — your files and text stay on your device

See every match of a regular expression with its capture groups listed individually. This makes it much easier to confirm that each group captures what you intend. Your text is processed locally in your browser.

Regex TesterCheatsheetFind & ReplaceMatch BreakdownPlain-English ExplainerCommon Patterns Library
//
hello@ilovekit.appat index 8
$1hello
$2ilovekit
$3app
support@ilovekit.appat index 30
$1support
$2ilovekit
$3app

How to use this tool

  1. 1Enter a pattern with capture groups.
  2. 2Paste test text.
  3. 3Each match lists its full text, index, and every capture group's value.

Frequently asked questions

What if a group didn't participate in a match?

It shows as "(empty)" — this happens with optional groups like (a)?.

Is my text sent anywhere?

No — matching runs entirely in your browser.

Guides

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