isWhitespace

isWhitespace(String): Boolean

Checks if the text contains only whitespace.

Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.

Parameters

Name Description

Name	Description
`text`	The input string.

text

The input string.

Example

This example shows how isWhitespace behaves with different inputs and sizes.

Source

%dw 2.0
import isWhitespace from dw::core::Strings
output application/json
---
{
  "a": isWhitespace(null),
  "b": isWhitespace(""),
  "c": isWhitespace("  "),
  "d": isWhitespace("abc"),
  "e": isWhitespace("ab2c"),
  "f": isWhitespace("ab-c")
}

Output

{
  "a": false,
  "b": true,
  "c": true,
  "d": false,
  "e": false,
  "f": false
}

isWhitespace(Null): Boolean

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