%dw 2.0
output application/json
---
flatten("www.mulesoft.com" scan(/([w]*).([a-z]*).([a-z]*)/))
scan
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. |
scan(String, Regex): Array<Array<String>>
Returns an array with all of the matches found in an input string.
Each match is returned as an array that contains the complete match followed by any capture groups in your regular expression (if present).
Parameters
Name | Description |
---|---|
|
The input string to scan. |
|
A Java regular expression that describes the pattern match in
the |
Example
In this example, the regex
describes a URL. It contains three capture
groups within the parentheses, the characters before and after the period
(.
). It produces an array of matches to the input URL and the capture
groups. It uses flatten
to change the output from an array of arrays into
a simple array. Note that a regex
is specified within forward slashes (//
).
Example
In the example, the regex
describes an email address. It contains two
capture groups, the characters before and after the @
. It produces an
array matches to the email addresses and capture groups in the input string.