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unwrap

unwrap(text: String, wrapper: String): String

Unwraps a given text from a wrapper text.

Introduced in DataWeave version 2.2.0.

Parameters

Name Description

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#", '#')
}

Output

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

unwrap(text: Null, wrapper: String): Null

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

Introduced in DataWeave version 2.2.0.