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Small and medium business | Business Central, N...
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Data Exchange Definition - Transformation Rule Not Working

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Hi all,
We have a bank statement CSV file in this format:
 
We're trying to use Transformation Rules in the Data Exchange Definition to convert the /--/ string to nothing (blanks).
None of the existing Transformation Rules are removing the /--/ characters.
We've tried: 
  • Remove Non-Alphanumeric characters
  • Replace
  • Regular Expression - Replace
 
You still get this error message, when you attempt to import the CSV file:
The CSV Bank file import is not applying the Transformation Rule and removing the /--/ string:
    
  • Suggested answer
    YUN ZHU Profile Picture
    81,422 Super User 2025 Season 1 on at
    Data Exchange Definition - Transformation Rule Not Working
    Hi, this may require some simple customization if the standard can't do it.
    Hopefully the information below will give you some tips.
     
     
    Thanks.
    ZHU

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