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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

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 for isWhitespace so it works with null value.

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