grouper-study - extracting substrings via JEXL?

Subject: grouper-study

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From: Liam Hoekenga <>
To:
Subject: extracting substrings via JEXL?
Date: Wed, 13 Dec 2017 09:32:14 -0600
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Is it possible to extract a portion of an attribute value string using JEXL?

Something like regex functionality?

Liam