Hidden Folder in Obsidian:
^folder1
- folder1 <- match
- folder1
- folder2
- folder2
- folder1
- folder2
abc
- folder1
- folder1
- subabcfolder1 <- match
- folderabc2 <- match
- folder2
- foldabcer1 <- match
- folder2abc <- match
\/folder$
- folder1
- folder1
- folder2
- folder2
- folder1 <- match
- folder2
\/?folder$
- folder1 <- match
- folder1
- folder2
- folder2
- folder1 <- match
- folder2
folder1\/folder
- folder1
- folder1 <- match
- folder2
- folder2
- folder1
- folder2