dw-strings-functions-iswhitespace.adoc

isWhitespace

isWhitespace(text: String): Boolean

Checks if the text contains only whitespace.

Introduced in DataWeave version 2.2.0.

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(text: Null): Boolean

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

Introduced in DataWeave version 2.2.0.