[xmonad] float, match by regex?

[lowly coder]

so in .xmonad/xmonad.hs, I see how i can make a window float, by selecting
it's title; however, suppose I wnat a bunch of windows to float, i.e.:

"float1"
"float2" ...

is it possible to instaed of listing out all titles, specify a regex, or a
function that goes [Char] -> Bool ? (for deciding whether to float the
window or not)

thanks!
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