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with

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.

with(((V, U) -> R) -> X, (V, U) -> R): X

Helper function that specifies a replacement element. This function is used with replace, update or mask to perform data substitutions.

Parameters

Name Description

toBeReplaced

The value to be replaced.

replacer

The replacement value for the input value.

Example

This example replaces all numbers in a string with "x" characters. The replace function specifies the base string and a regex to select the characters to replace, and with provides the replacement string to use.

Source

%dw 2.0
output application/json
---
{ "ssn" : "987-65-4321" replace /[0-9]/ with("x") }

Output

{ "ssn": "xxx-xx-xxxx" }