Thanks for your answers, Leo.
There may have been a little misunderstanding about what my (main) goal is, so here's an additional explanation:
Via Preferences -> Favorites and Recent -> Label Assignments I have defined a lot of GLOBAL -> Concrete difference/s between "label-filter" and "wildcard-filter"? - Help & Support - Directory Opus Resource Centre (dopus.com) "wildcard labels/filters" with second the button above with name "Create a new wildcard label" , so that all files in my dopus are (should be) displayed especially with different colors and/or symbols - e.g. depending on a certain sender name of an Outlook MSG-email message.
For example, since I am an attorney, an email or PDF from client or partner attorneys will be displayed with a different color than emails or PDFs from opposing party or opposing attorneys.
Therefore, in the above example, my goal is to display the MSG-email or PDF from the partner attorney named "MrBBB" in a different color in DOPUS than an MSG-email or PDF from the opposing attorney named "MrAAA" (which may also may be forwarded from a partner attorney "MrBBB") and which should be displayed with a different color accordingly:
-
the email from the partner attorney "MrBBB" with the file name
"22-08-01¦09.42¦-INPUT MrBBB with 22-07-29¦17.47¦-INPUT MrAAA - Further Info.msg"in color blue, and -
the actual email (forwarded by partner attorney "MrBBB") from opposing attorney "MrAAA" with the file name
"22-07-29¦17.47¦-INPUT MrAAA - Further Info -- via 22-08-01¦09.42¦-INPUT MrBBB.msg"in color red.
Was I able to make it clear what my goal and problem (see please above and in the original link at the top) are? - My above codes are EXTRACTS from my existing wildcard labels/filters that I added with "Create a new wildcard label".