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Replace Words with Digits

Normalize datasets by mapping verbal numbers to digits. Sanitize text with case-sensitive matching and whole-word logic for secure data ingestion.

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Word-to-digit Rules
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Please configure parameters and execute the action.

About Replace Words with Digits


Replace Words with Digits swaps words in text for digits or number strings using custom rules. You can limit the replacements to standalone words only and optionally require exact case matching.

How It Works


Use the tool in three quick steps:

  • Paste text with words - Add the content that contains words to replace.
  • Enter word-to-digit rules - Write one replacement rule per line in the format "word=digit".
  • Generate updated text - Click Replace Words to apply the rules.

Basic Examples


  • Replace words with digits
    Input Text:
    cat dog cat
    
    Word-to-digit Rules:
    cat=1
    dog=2
    
    Output:
    1 2 1
  • Only replace full words
    Input Text:
    app appetite app
    
    Word-to-digit Rules:
    app=4
    
    Replace Whole Words:
    checked
    
    Output:
    4 appetite 4
  • Match word case exactly
    Input Text:
    zoo Zoo ZOO
    
    Word-to-digit Rules:
    zoo=1
    Zoo=2
    ZOO=3
    
    Case Sensitive Words:
    checked
    
    Output:
    1 2 3

Real-World Usage Scenarios


  • Data Anonymization - PII Protection - Researchers often need to mask participant names or sensitive identifiers before sharing datasets. By setting rules like 'John=001' and 'Jane=002', you can quickly convert identifiable text into a numeric-based anonymized format while maintaining data structure.
  • Log File Standardization - Status Mapping - System administrators can normalize log files by converting verbal status indicators into numeric severity levels. Mapping 'Success=1', 'Warning=2', and 'Critical=3' allows for easier sorting and analysis in spreadsheet software or database imports.
  • Inventory and SKU Transformation - E-commerce managers use this to convert descriptive product attributes into standardized numeric category codes for warehouse management systems. For instance, mapping 'Small=10', 'Medium=20', and 'Large=30' helps generate clean CSV upload files.
  • Text-to-Code Preparation - Developers can use the tool to replace variable names or constants with specific numeric IDs when preparing pseudo-code or configuration files that require integer-based inputs rather than string labels.

Frequently Asked Questions


How do I define multiple replacement rules?

Rules must be entered one per line using the 'word=digit' format. For example, to replace 'Red' with '1' and 'Blue' with '2', you would enter 'Red=1' on the first line and 'Blue=2' on the second.

Can I prevent the tool from replacing parts of longer words?

Yes. Enable the 'Replace Whole Words' option. This ensures that a rule for 'cat' will not affect the word 'category', only the standalone word 'cat'.

Does the tool distinguish between 'Error' and 'error'?

By default, the tool is case-insensitive. If you need to target specific capitalizations, check the 'Case Sensitive Words' option to treat 'Error' and 'error' as distinct strings.

Is there a limit to how many rules I can add?

There is no hard limit on the number of rules. However, for extremely large datasets or thousands of rules, performance depends on your browser's processing capabilities.

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