Remove Lines Containing/Not Containing

About the Remove Lines Containing/Not Containing Tool

The Remove Lines Containing/Not Containing tool by Mass Tools removes lines that either contain or do not contain a specified string, with options to trim spaces and match case. Paste text or upload TXT, CSV, or XLSX files for instant processing.

Why Use This Tool?

• Data Filtering: Remove lines with specific keywords or exclude lines without them.
• Log Analysis: Clean logs by removing irrelevant entries (e.g., errors).
• Content Formatting: Refine text lists for documents or scripts.
• Batch Processing: Handle large text datasets efficiently.

How to Use

• Enter a search string (e.g., "error").
• Select "Remove lines containing" or "Remove lines not containing" the string.
• Paste text (e.g., "Line 1\nError found\nLine 3") or upload a TXT, CSV, or XLSX file.
• Check "Trim Output" to remove leading and trailing spaces.
• Check "Match Case" for case-sensitive matching.
• Click "Remove Lines" to view results.
• Use "Undo" or "Redo" to revert or restore changes.
• Copy or download the processed text.
• Reset to clear inputs and results.

Tips

• Use files under 10MB for best performance.
• Combine with Remove Duplicate Lines or Sort Text for advanced text processing.
• Contact us at byrolaa@gmail.com for support.

Related Tools

• Split Text - Split text into individual columns or by a new line.
• Extract Column - Extract a specific column from delimited text.
• Swap Columns - Swap two columns from a delimited text.
• Reverse Words - Reverse the order of words in text.
• Reverse Letters - Reverse the order of letters in text or words.
• Remove Extra Spaces - Remove multiple consecutive spaces from text.
• Remove Duplicate Lines - Remove duplicate lines from text.
• Remove Empty Lines - Remove empty or whitespace-only lines from text.
• Remove Letter Accents - Remove diacritical marks from letters.
• Remove Unwanted Characters - Remove specified characters from text.