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Filter Lines by Keyword

Keep or exclude lines containing a literal keyword.

â—‡ Browser only
0 lines · 0 characters
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LESS BUSYWORK, MORE DONE

Three steps. That’s it.

A useful toolkit for text, data, images and calculations.

  1. 01

    Add your input

    Choose a tool, enter values or select a file.

  2. 02

    Make it yours

    Adjust the options and run the action.

  3. 03

    Take the result

    Copy the result or download its file.

Text line filter online

Keep matching log lines or exclude an unwanted label. Matching uses a literal keyword; regex syntax is not interpreted here.

How to use it

Enter the source input or select Try example. Review Keyword, Ignore case, Exclude matching lines. Select Run tool and inspect the result before copying or downloading.

Options and example settings

OptionChoices / valueExample default
KeywordEnter a valueapple
Ignore caseOn / OffOn
Exclude matching linesOn / OffOff

Worked examples

Keep matching log lines or exclude an unwanted label.

Worked example — Filter Lines by Keyword

Settings: Keyword: apple; Ignore case: On; Exclude matching lines: Off

Input:

apple
banana
pineapple

Output:

apple
pineapple

The example output has 2 lines. Compare its order, separators and whitespace with the input before copying the result.

Limitations and common mistakes

  • Matching uses a literal keyword; regex syntax is not interpreted here.

Frequently asked questions

How can I filter text lines by keyword online?

Enter the source input or select Try example. Review Keyword, Ignore case, Exclude matching lines. Select Run tool and inspect the result before copying or downloading.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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