Wildcards for folders

Hello,

Using version 11.0.8101, there is documentation relating to wildcards, but it all seems to talk about files rather than folders. It says you can use the normal windows wildcards, but I'm finding it really difficult to exclude a folder (in the my Data Backup user section, or the overall backup section)

Could we please have a definitive piece of documentation about excluding, with covers folders too. If I have a folder like

L:\dir1\dir2

then none of these work to exclude it

*dir2
*\dir2
dir2\*
*\dir2\*

This is wasting me huge amount of time, since the directory is huge.

thanks
Dave