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match

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.

match(String, Regex): Array<String>

Uses an regular expression to match string and then separate it into capture groups. Returns the results in a a list (an array).

It can be applied to the result of any evaluated expression and can return any evaluated expression. See Pattern Matching in DataWeave.

Parameters

Name Description

text

A string (String type).

matcher

A regular expression for matching characters in the text.

Example

In this example, the regular expression describes an email address. It contains two capture groups: what come before and after the @. The result is an array of three elements: the first is the whole email address, the second matches one of the capture groups, the third matches the other one.

Source

%dw 2.0
output application/json
---
{ "hello" : "anniepoint@mulesoft.com" match(/([a-z]*)@([a-z]*).com/) }

Output

{
  "hello": [
    "anniepoint@mulesoft.com",
    "anniepoint",
    "mulesoft"
  ]
}