Possibility to safelist a complex selector (.class.other)

[vnourdin]

Hi,
I'm using Bulma and I would to only safelist .navbar-menu.is-active and .navbar-burger.is-active instead of every .is-active occurrences, because I don't use other stuff.
Is this possible ?
I tried multiple regex and the only safelist value that keep my classes is when I set it to ["is-active"], but it also keep a lot of unwanted stuff.
Thanks for your help !