Input
Keep this line REMOVE temporary entry Keep this too
Lists & lines
Remove Lines Containing Text
Delete complete lines when they contain an unwanted word, phrase, identifier, domain, or pattern. This focused version opens in removal mode while retaining optional case-sensitive, multiple-term, and regular-expression matching.
Focused workspace
Remove Lines Containing
0 characters · 0 words
0 characters · 0 words
Before and after
Remove Lines Containing Example
Output
Keep this line Keep this too
Three steps
How to use this tool
- Paste the text with one record per line.
- Enter the text or pattern identifying unwanted lines.
- Remove matching lines and review the remaining records.
Useful workflows
Common use cases
- Delete comment, debug, or temporary lines.
- Remove records containing blocked domains or statuses.
- Clean exported data before import.
How it works
Fast text processing without an upload
The selected operations are applied in order by JavaScript running on this page. The input is not sent to the Go server and is not written to SQLite. The server provides the page, SEO content, and blog system; the browser performs the text transformation.
Questions
Remove Lines Containing FAQ
Is the matched text removed or the whole line?
The complete matching line is removed.
Can I keep matching lines instead?
Yes. Switch the filter mode to Keep matching lines.
Can matching ignore capitalization?
Yes. Case-insensitive matching is the default.