local / regex review / privacy-first
Review matches before replacing.
Review source text, pattern, and replacement locally, then create the result with an explicit action.
Prepare a replacement
Match preview
Replacement result
Scope
- Review, replacement, copy, and download stay in this browser. There is no upload, external request, or input storage.
- Choose literal or regular expression (g/i/m/s/u), review matches first, then apply the replacement.
- Streaming processing, history, and other data formats are out of scope.