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Dynamics 365 Business Central: How to replace a string in AL (Four ways)

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Dynamics 365 Business Central

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Dec 3, 2024

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  • The article provides four different methods to replace a string in AL, including Text.ConvertStr, Text.Replace, TextBuilder.Replace, and using codeunit 46 SelectionFilterManagement.
  • Text.ConvertStr method replaces all characters in the source with the corresponding characters in the specified parameters and returns the converted string.
  • Text.Replace method replaces all occurrences of a specified string with another specified string in the current instance.
  • TextBuilder.Replace method replaces all occurrences of a specified string in a TextBuilder instance with another specified string, useful for exporting multiple lines of data to a text file.
  • Codeunit 46 SelectionFilterManagement provides a standard method to replace strings in AL code.
  • Some limitations of the Text.ConvertStr method include needing the FromCharacters and ToCharacters parameters to be of equal length.
  • The Text.Replace method has no length limit but cannot achieve the same character replacement as Text.ConvertStr.
  • The TextBuilder.Replace method is useful for exporting data to a text file and replacing specific strings within the TextBuilder instance.
  • The SelectionFilterManagement method can be used for standard string replacement in AL code and can be customized for special conversion processing.

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