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Craftkite

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Regex tester

A friendly regex playground for developers and data people. Includes a library of common patterns.

Web appStandard
Use this template

Free to sign up. You approve the plan before anything is built.

Regex tester: the 3 matches · 6 groups screen

How it works

  1. Regex tester: the 3 matches · 6 groups screen

    Step 1 · 3 matches · 6 groups

    Live match and group highlighting

  2. Regex tester: the 3 matches · 6 groups screen

    Step 2 · 3 matches · 6 groups

    Flag toggles with explanations

  3. Regex tester: the What this pattern does screen

    Step 3 · What this pattern does

    Token-by-token pattern explanation

  4. Regex tester: the Replace screen

    Step 4 · Replace

    Replace mode with preview

  5. Regex tester: the Replace screen

    Step 5 · Replace

    Library of common patterns

Start in three steps

  1. Step 1

    Start from this template

    Sign up free and open the template in the studio. Change the description to fit your idea if you like.

  2. Step 2

    Approve the plan

    The agent shows you what it will build: screens, data and features. Nothing is built until you agree.

  3. Step 3

    Test and publish

    The app is built, tested in a real browser and ready to publish on your own address.

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