Filter Lines by Pattern
Pattern Matching
Find and filter lines containing specific text patterns. Case-insensitive matching for better results.
Flexible Filtering
Choose to keep or remove matching lines. Perfect for cleaning up lists and filtering data.
Instant Results
See your filtered text immediately. Quick and efficient processing for any size of text.
Common Questions
What does this tool do?
This tool helps you filter text by keeping or removing lines that match a specific pattern. Think of it like a smart search function - you can either keep only the lines that contain what you're looking for, or remove them completely.
How do I use the pattern matching?
Simply enter your text, type the pattern you want to match, and choose whether to keep or remove the matching lines. The matching is case-insensitive, so "HELLO", "hello", and "Hello" will all match the same pattern.
What can I use this tool for?
This tool is perfect for many tasks like cleaning up lists (removing unwanted entries), extracting specific information (keeping only lines with certain words), filtering logs, or any situation where you need to process text based on specific patterns.