Test Regex Find and Replace Online
Switch to Find and Replace mode, enter a pattern and a replacement using $1 or $&, and watch the substituted output update live. All processing runs in your browser.
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Regex Playground
Build, test, and debug regular expressions with real-time match highlighting
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Quick Start
- 1Enter your regex pattern and flags
- 2Switch to Find and Replace mode
- 3Type the replacement string using $1, $2, or $&
- 4Copy the replaced output
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Looking for FAQs and advanced options? Visit the full Regex Playground page →