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Prefix Remover

Remove common prefixes from each line with intelligent detection and customizable options

Only used when "Use custom prefix" mode is selected

If enabled, only remove prefix if all lines contain it

Key Facts

Category
Text Processing
Input Types
textarea, select, text, checkbox, number
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The Prefix Remover is a specialized text processing tool designed to clean up datasets by identifying and stripping common prefixes from the start of each line. Whether you are dealing with numbered lists, bullet points, or repetitive labels, this utility provides intelligent detection modes to help you standardize your text format quickly and accurately.

When to Use

  • •Cleaning up exported log files that contain repetitive timestamps or system tags.
  • •Converting structured lists or bulleted notes into plain text for further editing.
  • •Standardizing data entries where inconsistent prefixes hinder sorting or analysis.

How It Works

  • •Paste your text into the input area and select a detection mode, such as 'Auto-detect' or 'Numeric'.
  • •Adjust optional settings like 'Trim Whitespace' or 'Case Sensitive Matching' to refine the output.
  • •Click the process button to instantly remove the identified prefixes while preserving your original indentation.
  • •Copy the cleaned text directly from the output window for use in your documents or applications.

Use Cases

Stripping bullet points or symbols from copied web content to create clean lists.
Removing repetitive ID tags or timestamps from raw data exports.
Cleaning up formatted code comments or documentation headers.

Examples

1. Cleaning Bulleted Lists

Content Writer
Background
I have a long list of ideas copied from a document, all starting with bullet points like '- ' or '* '.
Problem
I need to remove these symbols to paste the text into a plain-text editor without formatting issues.
How to Use
Paste the list, select 'Symbolic' detection mode, and enable 'Trim Whitespace'.
Outcome
All bullet points are removed, leaving only the clean text items aligned to the left margin.

2. Processing Log Files

System Administrator
Background
I have a server log file where every line starts with a repetitive 'INFO: ' or 'ERROR: ' tag.
Problem
I need to extract just the message content for a summary report.
How to Use
Select 'Auto-detect' mode and set the 'Minimum Prefix Length' to 6 to ensure the tags are correctly identified.
Outcome
The tool strips the status tags from every line, leaving only the raw log messages.

Try with Samples

video, text, barcode
Regex Replace Samples
Collection of common and useful regex replacement patterns for text transformation and data cleaning
matched family video,text
video, text
Duplicate Line Samples
Sample files with various types of duplicate lines for testing duplicate removal tools
matched family video,text
video, text
Special Characters Samples
Sample text files with various special characters, punctuation, and symbols for testing non-alphanumeric character removal
matched family video,text
video, text
Hex/Unicode Encoding Format Samples
Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats
matched family text
text

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FAQ

Can I remove custom prefixes that aren't automatically detected?

Yes, select the 'Use custom prefix' mode and enter your specific string in the Custom Prefix field.

Does this tool affect the indentation of my lines?

By default, the tool preserves original indentation, but you can adjust this behavior in the settings.

What happens if a line does not contain the prefix?

The tool will leave lines without the prefix unchanged unless you enable the 'Only Process if All Lines Match' option.

Is the prefix removal case-sensitive?

Yes, you can toggle the 'Case Sensitive Matching' checkbox to control whether the tool distinguishes between uppercase and lowercase letters.

Can I remove numeric prefixes like '1.' or '2)'?

Yes, select the 'Detect numeric prefixes' mode to automatically identify and strip standard list numbering.

API Documentation

Request Endpoint

POST /en/api/tools/prefix-remover

Request Parameters

Parameter Name Type Required Description
text textarea Yes -
mode select No -
customPrefix text No Only used when "Use custom prefix" mode is selected
caseSensitive checkbox No -
trimWhitespace checkbox No -
preserveIndentation checkbox No -
minLength number No -
onlyIfAllMatch checkbox No If enabled, only remove prefix if all lines contain it

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-prefix-remover": {
      "name": "prefix-remover",
      "description": "Remove common prefixes from each line with intelligent detection and customizable options",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=prefix-remover",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]