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DataWeave 2.2 is compatible and bundled with Mule 4.2. This version of Mule reached its End of Life on May 2, 2023, when Extended Support ended.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

singularize(String): String

Converts a plural string to its singular form.

If the input is already singular (for example, "box"), the output will match the input.


Name Description


The string to convert to singular form.


This example converts the input string "boxes" to return "box".


%dw 2.0
import * from dw::core::Strings
output application/json
{ "singularize" : singularize("boxes") }


{ "singularize" : "box" }

singularize(Null): Null

Helper function that allows singularize to work with null values.