replace

DataWeave 2.1 is compatible with Mule 4.1. Standard Support for Mule 4.1 ended on November 2, 2020, and this version of Mule will reach its End of Life Leaving the Site on November 2, 2022, when Extended Support ends.

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.

replace(String, Regex): ((Array<String>, Number) -> String) -> String

Replaces the part of a string that matches a regular expression and requires the use of with to specify the replacement.

Parameters

Name Description

Name	Description
`text`	A string (`String` type).
`matcher`	A regular expression for matching characters in the `text`.

text

A string (String type).

matcher

A regular expression for matching characters in the text.

Example

This example replaces the numbers at the end of a string with different characters. Note that you can also use this notation replace(text,matcher) with string (for example, replace("admin123", /(\d+)/) with("ID")).

Source

%dw 2.0
output application/json
---
{ "replace" : "admin123" replace /(\d+)/ with "ID" }DataWeave

Output

{
  "replace": "adminID"
}JSON

replace(String, String): ((Array<String>, Number) -> String) -> String

Replaces part of a string with another string.