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Regex Toolkit

Test, replace and borrow regular expressions.

Test, replace and explain regular expressions with a pattern library.

  • Side panel
  • Right-click menu
Add to Chrome(opens the Chrome Web Store in a new tab)or pressCtrlShiftSpace
One Panel Search tools

Regex Toolkit

Side panel

Live match highlighting

Ready01 / 04

01Features

What it does

  1. 01Live match highlighting
  2. 02Capture groups
  3. 03Replace preview
  4. 04Pattern library
  5. 05Flags

02Use cases

When you'll reach for it

Build an email validator
Extract IDs from a log dump

How to open it

  1. 1

    Side panel

    Click the One Panel icon in the toolbar and search for “Regex Toolkit”.

  2. 2

    Right-click menu

    Right-click selected text, then choose One Panel → Regex Toolkit.

Privacy

  • Runs entirely inside your browser. No account, no analytics, no remote code.

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Get Regex Toolkit and 80 more

One install adds every tool to your side panel. No account, nothing to configure.

Add to Chrome(opens the Chrome Web Store in a new tab)