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Regex Toolkit

Test regular expressions, inspect matches and replace text with common JavaScript regex flags.

About Regex Toolkit
Regex Toolkit provides a focused browser workspace for matching and replacement.
How to use Regex Toolkit
  1. 1
    Provide the input.
  2. 2
    Choose the settings you need.
  3. 3
    Run the tool and review the result.
Tips for better results
  • Review output before using it in an important workflow.
Frequently asked questions
Which file formats can I use?
Check the file picker and tool description for the supported formats. Available formats can vary by tool.
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