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DataWeave 2.2 is compatible and bundled with Mule 4.2. This version of Mule reached its End of Life on May 2, 2023, when Extended Support ended.

Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted.

MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements.

substringAfterLast(String, String): String

Gets the substring after the last occurrence of a separator. The separator is not returned.

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


Name Description


The input string.


String to search for.


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


%dw 2.0
import * from dw::core::Strings
output application/json
  "a": substringAfterLast(null, "'"),
  "b": substringAfterLast("", "-"),
  "c": substringAfterLast("abc", "b"),
  "d": substringAfterLast("abcba", "b"),
  "e": substringAfterLast("abc", "d"),
  "f": substringAfterLast("abc", "")


 "a": null,
 "b": "",
 "c": "c",
 "d": "a",
 "e": "",
 "f": null

substringAfterLast(Null, String): Null

Helper function for substringAfterLast to work with null value.