with

with<V, U, R, X>(toBeReplaced: ((V, U) -> R) -> X, replacer: (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

Name	Description
`toBeReplaced`	The value to be replaced.
`replacer`	The replacement value for the input value.

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" }