URL Actions from URL only

A quick question regarding URL target actions.

Is there a way to specify the target action of a URL within the URL?

Context: I can't edit the underlying code where links live in this particular instance, but I have full control over the links themselves. I'd like to be able to specify a link target (new tab, new window, same tab, etc) from a URL itself.

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If that's possible, awesome! If that's impossible, darn (and thank you for enlightening me).