I have not seen such a function, but there is something very close to what you are looking for in ReSharper. A setting called Select Highlight Separators. It seems to use: 
I wanted to tell you about this, because 1) you might be interested in resharper and 2) resharper is able to make a selection, so maybe someone can add an add-on or add something like that. Maybe you?:)
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