unwrap

unwrap(String, String): String

Unwraps a given text from a wrapper text.

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

Parameters

Name Description

Name	Description
`text`	The input string.
`wrapper`	The text used to unwrap.

text

The input string.

wrapper

The text used to unwrap.

Example

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

Source

%dw 2.0
import unwrap from dw::core::Strings
output application/json
---
{
  "a": unwrap(null, ""),
  "b": unwrap(null, '\0'),
  "c": unwrap("'abc'", "'"),
  "d": unwrap("AABabcBAA", 'A'),
  "e": unwrap("A", '#'),
  "f": unwrap("#A", '#'),
  "g": unwrap("A#", '#')
}DataWeave

Output

{
  "a": null,
  "b": null,
  "c": "abc",
  "d": "ABabcBA",
  "e": "A",
  "f": "A#",
  "g": "#A"
}JSON

unwrap(Null, String): Null

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