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Filter Text Lines

Keep or exclude text lines containing an exact phrase.

Convert in your browser · No sign-up

Matching is case-sensitive and literal, with no regular expressions. Original order and matching blank lines are preserved.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

Result

Add your input or load an example, then run the tool. Your result will appear here.

How to use

  1. Keep or exclude text lines containing an exact phrase.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

apple / banana / pineapple + apple → apple / pineapple

Details and limitations

Text stays in your browser; it is not sent to a conversion server.

Format references

Tool page updated: