Regex Replace Tester
Test search-and-replace regex patterns and preview the output instantly.
Pattern and flag controls
Replacement string support
Live transformed output
Replacement setup
Test search-and-replace patterns before using them in code or content workflows.
Replaced output
Preview the transformed result before using the pattern elsewhere.
Common use cases
- Cleaning structured text quickly
- Testing replacement groups before using them in code
- Validating content cleanup patterns in a safer sandbox
FAQ
Does this support regex flags?
Yes. You can add standard flags like g, i, or m to match your intended replacement behavior.
Can I test capture-group replacements too?
Yes. Replacement strings work with standard JavaScript regex replacement patterns.
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