regex_match seems to either not work or not exist or something. match,
otoh, works. Additionally, we get this:
[DEPRECATION WARNING]: Using tests as filters is deprecated. Instead
of using `result|match` use `result is match`. This feature will
be removed in version 2.9.
when using the | syntax, so obey the warning and switch to is.
Change-Id: Ie201241a11c08b9fed58c0e1790e8187ee4cf474