Text Filter
Filter lines of text based on specific criteria. Keep or remove lines containing certain text. The tool processes everything locally in your browser.
Tips:
- Use Contains to find lines that include specific text anywhere in the line
- Use Starts With to filter lines based on their beginning text
- Use Ends With to filter lines based on their ending text
- Use Exact Match to find lines that match the filter text exactly
- Use RegExp for advanced pattern matching (e.g.,
\d+
for lines with numbers) - Toggle Include/Exclude to keep or remove matching lines
- Disable Auto Filter for large texts to improve performance
How to Use the Text Filter
- Enter or paste your text in the input area
- Enter the text or pattern you want to filter by
- Choose whether to include or exclude matching lines
- Configure additional options like case sensitivity
- View the filtered text in the output area
- Use the copy button to copy the result
About Text Filtering
Text filtering is a powerful operation that allows you to extract specific information from large text documents by keeping only the lines that match certain criteria. This functionality is similar to the 'grep' command in Unix/Linux systems and is essential for data processing, log analysis, and text mining.
Common use cases for text filtering include:
- Extracting specific information from log files
- Finding all instances of a keyword in a document
- Cleaning data by removing unwanted lines
- Creating subsets of data based on specific criteria
- Analyzing patterns in text data
- Removing sensitive information from text
Our Text Filter tool offers several filtering methods:
- Contains - Keep or remove lines containing specific text
- Starts with - Filter based on text at the beginning of lines
- Ends with - Filter based on text at the end of lines
- Regular expressions - Use powerful pattern matching for complex filtering
Additional features like case sensitivity options and the ability to invert the filter (exclude instead of include) make this tool versatile for a wide range of text processing needs.
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