Runs locally in your browser
Keep or remove list lines that contain text or match a regular expression, with case-sensitive and local processing options.
About this tool
Filtering is the fastest way to isolate one domain, status, prefix, product family, or error code from a larger export.
Use plain text for simple contains matching or enable regular expressions for structured patterns.
FAQ
Yes. Enable the regular expression option; invalid expressions are reported without changing your input.
Yes. Choose the remove matching lines mode.
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