Filter Text Lines

Quickly include or exclude lines based on a specific text pattern or regular expression.

0 Lines | 0 Chars

Keeps only the lines that contain the specified text pattern.

0 Lines | 0 Chars
ReadOnly Mode

Smart Filtering

Filter lines by simple text match (start, end, contains) or complex patterns.

Regex Support

Full Regular Expression support for advanced users to match complex patterns.

Secure & Private

All filtering happens in your browser. Your data never leaves your device.

Try These Examples

Example 1

Keep Error Lines

Extract only error and warning lines from a log file with a single click.

Example 2

Remove Comments

Strip comment lines from code or configuration files quickly.

Example 3

Extract Email Addresses

Use regex to extract all email addresses from a messy text block.

Ultimate Guide: Filter & Extract Text Lines

Master the art of text processing with our powerful line filter tool. Whether you're cleaning up data, analyzing logs, or extracting specific information, this tool gives you granular control over your text.

Precise Filtering

Use "Contains" mode to keep only the lines that matter. Perfect for extracting error logs, email addresses, or specific data points from large datasets.

Regex Mastery

Unlock advanced potential with Regular Expressions. Match complex patterns like phone numbers, IP addresses, or custom formats with the "Regex" mode.

Pro Tip: Negative Filtering

Need to remove noise? Use "Remove Lines Containing" or "Regex Remove" to strip out unwanted lines and leave only the clean data behind.