Github user aledsage commented on the issue:
https://github.com/apache/brooklyn-server/pull/589
@neykov regarding whether multiline support should be on by default, it
feels like using the language defaults is a good idea as it will be less
surprising to users (though I see the point about things like `grep`'s regex
have different defaults; most languages seem to have the same defaults as java
though).
I still think supporting the `matches` and `find` functionality of the
language is a good thing for a user's convenience - with `containsMatch` being
our wording for `find`, because it's more fitting with our other names.
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