Adding multiple values to field in action

[ohrenkino]

See this thread on a way how to apply a search/replace on several fields:

Using TAG in actions/combining actions for different tags

I get the impression that using TAG is a shortcut in actions to updating many tags at the same time. Is there a way to add exclusions so that certain tags are not affected without going down the route of specifying every tag you do want to affect? For example, if I want to use capitalisation on every tag except artist because the case of the artist is originally correct and any manipulation would cause their name to be incorrect, can this be done? I want to try and avoid situations like this e…

Please note that it is important to get a unique separator between the field vairables. This may be tricky as you want to get rid of more or less any ordinary punctuation character.