trim

DataWeave 2.2 is compatible and bundled with Mule 4.2. Standard Support for Mule 4.2 ended on May 2, 2021, and this version of Mule will reach its End of Life on May 2, 2023, when Extended Support ends.

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.

trim(String): String

Removes any blank spaces from the beginning and end of a string.

Parameters

Name Description

text

The string from which to remove any blank spaces.

Example

This example trims a string. Notice that it does not remove any spaces from the middle of the string, only the beginning and end.

Source

%dw 2.0
output application/json
---
{ "trim": trim("   my really long  text     ") }

Output

{ "trim": "my really long  text" }

Example

This example shows how trim handles a variety strings and how it handles a null value.

Source

%dw 2.0
output application/json
---
{
  "null": trim(null),
  "empty": trim(""),
  "blank": trim("     "),
  "noBlankSpaces": trim("abc"),
  "withSpaces": trim("    abc    ")
}

Output

{
  "null": null,
  "empty": "",
  "blank": "",
  "noBlankSpaces": "abc",
  "withSpaces": "abc"
}

trim(Null): Null

Helper function that allows trim to work with null values.

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