Back compatibility
Someone could have written:
Buy coffee #important.Wash dishes.
It will produce new tag #important.Wash
and more problems with community plugins.
Workaround
Nested tags
version1.42.22 → version/1/42/22
It will give you 3 additional tags for searching.
Properties for notes
version: 1.42.22
Dataview variable
add value (string) [version :: 1.42.22]
=this.version will produce 1.42.22