%dw 2.0
output application/json
---
ContainsRequestedItem: payload.root.*order.*items contains "3"
contains
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 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. |
contains(Array<T>, Any): Boolean
Returns true
if a list (array) contains a given value, false
if not.
Parameters
Name | Description |
---|---|
|
The input list (an |
|
An element to find in the list. Can be any supported data type. |
Example
This example indicates whether the input list contains '"3"'.
Source
Input
<?xml version="1.0" encoding="UTF-8"?>
<root>
<order>
<items>155</items>
</order>
<order>
<items>30</items>
</order>
<order>
<items>15</items>
</order>
<order>
<items>5</items>
</order>
<order>
<items>4</items>
<items>7</items>
</order>
<order>
<items>1</items>
<items>3</items>
</order>
<order>
null
</order>
</root>
contains(String, String): Boolean
Indicates whether a string contains a given substring. Returns true
or false
.
Parameters
Name | Description |
---|---|
|
An input string (a |
|
The substring (a |
contains(String, Regex): Boolean
Returns true
if a string contains a match to a regular expression, false
if not.
Parameters
Name | Description |
---|---|
|
An input string ( |
|
A regular expression for matching characters in the input |