Feature request: filter folder names

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Dear Author

First, thanks a lot for a greate piece of software. You probably know, it is irreplaceable for us, permanently shaped by NC twenty years ago but still messing around pcs.

Second, a request. Although it may be in already and I just do not know how to activate the feature. In my work I regularly need to find a subfolder in a folder contatining zillion of those. All I know of the folder I need is a piece of its name, say "leiding". I want to filter *leiding* and see only those folders (not files!), which contain the magic word. Is that possible now and if not can it be added?

Thank you in advance.