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Remove Lines Containing

Remove lines containing specific text or patterns from your content. Perfect for filtering log files, cleaning data, and removing unwanted entries.

Lines containing any of these keywords will be removed. Only lines containing any of these keywords will be kept. 


                Your filtered result will appear here...
            

        




    
    

    
        

            

                💡 How to Use This Tool
            

            

                Remove lines containing specific keywords quickly and easily. Follow these simple steps:
            

            

                

                    
1

                    

                        
Enter Keywords

                        
Type the keywords to filter by, separated by commas.

                    

                

                

                    
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Paste Your Text

                        
Enter or paste the text you want to filter into the input field.

                    

                

                

                    
3

                    

                        
Configure Options

                        
Set case-sensitivity and choose remove or keep mode.

                    

                

                

                    
4

                    

                        
Copy Your Result

                        
Click the Copy button to copy the filtered text to your clipboard.

                    

                

            

        


        
        


        
        

            

                📖 About Remove Lines Containing
            

            

                
What is Remove Lines Containing?


Remove Lines Containing is a text filtering tool that scans through your content and removes any lines that contain a specific word, phrase, or pattern. It's essential for log filtering, data cleanup, and content management.


Common Use Cases


    

  • Log Filtering: Remove debug or info-level log entries to focus on errors
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  • Data Cleanup: Filter out entries containing certain keywords from CSV or text files
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  • Code Review: Remove commented lines or specific imports from code
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  • Content Moderation: Filter lines containing unwanted words or phrases
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  • List Management: Remove items matching certain criteria from lists
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Key Features


Case Sensitivity


Choose whether the search should be case-sensitive. When disabled, "Error" and "error" are treated the same.


Multiple Keywords


Enter multiple keywords separated by commas to remove lines containing any of them. Perfect for batch filtering.


Invert Mode


Switch to "Keep Lines Containing" mode to only keep lines that match your criteria, removing everything else.


Real-time Preview


See the filtered result instantly as you type. No need to click a button for simple operations.


Privacy & Security


This tool runs entirely in your browser using JavaScript. No text is sent to any server—your content stays completely private and secure on your device.


            

        


        
        


        
        

    

        ❓ Frequently Asked Questions
    

    
    

                    

                
                

                    

                        Yes! All text processing happens locally in your browser using JavaScript. Your text never leaves your device and is not sent to any server.
                    

                

            

                    

                
                

                    

                        Yes! Enter multiple keywords separated by commas. Any line containing at least one of the keywords will be removed (or kept, if using invert mode).
                    

                

            

                    

                
                

                    

                        In Remove mode, lines containing your keywords are deleted. In Keep mode (invert), only lines containing your keywords are kept, and everything else is removed.
                    

                

            

                    

                
                

                    

                        By default, the search is case-insensitive. You can toggle case-sensitivity using the checkbox option to match exact letter casing.