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Text Processing
Quickly remove a prefix from one or more text lines
Execution
Fill in the form, run the tool, and review the result in one place.
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Tool usage guide
This utility allows you to instantly strip specific prefixes from the beginning of text lines, helping you clean up logs, code snippets, or formatted lists with precision.
Background
Copying long email threads often results in every line being prefixed with '> '.
Problem
The text is difficult to read and format for reports due to the repetitive quote markers.
How to use
Paste the email text, set the prefix to '> ', and select 'All Lines'.
Outcome
The email thread is converted into clean, readable text with all quote markers removed.
Background
A log file contains thousands of lines starting with 'DEBUG: ' which clutter the view.
Problem
Need to extract the core message from each log entry for analysis.
How to use
Paste the log content, set the prefix to 'DEBUG: ', and select 'Non-empty Lines Only'.
Outcome
The log file is stripped of the 'DEBUG: ' prefix, leaving only the raw event data.
Yes, you can use the 'Target Lines' option to select all lines, only non-empty lines, or specific patterns like odd or even lines.
Yes, if you enable the 'Preserve Indentation' checkbox, the tool will keep your existing whitespace and remove the prefix only after the indentation.
The tool will leave that line unchanged and proceed to process the remaining lines.
Yes, you can enable the 'Ignore Empty Lines' option to skip processing or effectively remove empty lines from your output.
The tool is designed to handle standard text blocks efficiently; for extremely large files, we recommend processing in smaller chunks.