Remove Lines Containing

Remove any lines that contain specific words, phrases, or patterns using the Remove Lines Containing Tool. Supports plain text and regular expressions, with live preview and advanced filtering options. Import files, clean data, and export results instantly.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt
Total items: 0
Options
Use regex
Case-sensitive
Trim lines

How to Use:

  1. Paste or type text into the Input Text box.
  2. In the Remove lines containing field, enter the string or pattern to match.
  3. Toggle options like Use regex, Case-sensitive, and Trim lines.
  4. Cleaned lines appear instantly in the Filtered Output box.
  5. Use Copy Output or Export to File to save your results.
  6. Import a .txt file using Choose File.

What Remove Lines Containing Tool Can Do:

This tool filters out any lines that contain a given substring or regex pattern. You can control case sensitivity, enable regex matching, and trim whitespace before filtering. It’s a powerful utility for data cleaning, script prep, and text management.

Example:

Input:

apple pie
banana split
cherry tart
apple crumble
blueberry muffin

Remove lines containing: appleOptions:Use regex: OffCase-sensitive: OffTrim lines: On

Output:

banana split
cherry tart
blueberry muffin

Common Use Cases:

Great for removing log entries, comments, unwanted keywords, or matching patterns from text files. Clean structured data, prepare for analysis, or exclude known strings from processing with total control.

Useful Tools & Suggestions:

Once you’ve removed specific lines based on content, Filter Text Lines gives you more control if you want to include or exclude lines based on different rules. And if the remaining text looks choppy or broken, Normalize Line Breaks in Text can help clean up the spacing so everything flows again.

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