Manage large text files and logs more effectively with the Line Filter tool. This utility allows you to keep or discard lines of text based on specific keywords or complex regular expressions. Whether you're stripping comments from code, isolating errors from logs, or cleaning up a mailing list, this tool provides the precision you need to refine your data fast.
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Line Filter
Keep or remove lines from a text block based on a specific keyword or regex pattern.
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About Free Online Line Filter Utility
1
Paste Text
Input your text block into the main editor.
2
Set Rule
Select whether to 'Keep' or 'Remove' lines containing specific text.
3
Enter Keyword
Type the keyword or regex pattern to filter by.
4
Filter
The results update instantly as you change the rules.
Key Features
Conditional Rules
Choose to 'Include' only relevant lines or 'Exclude' unwanted data points.
Regex Support
Use powerful Regular Expressions for advanced pattern-based filtering.
Instant Refresh
Observe your filtered output update in real-time as you type your criteria.
Frequently Asked Questions
Yes, you can use regular expressions for advanced line filtering.
The tool typically performs case-insensitive filtering by default.
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