A little less busywork
Regex Tester
Test JavaScript regular expressions without blocking the interface.
Your input
Runs locally. Your input is never uploaded or saved.
Output
Your result will appear here.
How to use this tool
Patterns run in a dedicated browser worker with a one-second timeout. The output includes match positions and capture groups, capped at 200 matches. This uses JavaScript regex syntax.
Keep your workflow private
This utility processes input only in this tab. It does not upload or persist pasted content. Review generated output before using it in a production application.
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