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  5. trim

trim

trim(text: 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(value: Null): Null

Helper function that enables trim to work with a null value.