Is awesome but it needs some work, it would be _really_ nice if it were syntax aware, so if you start Ctrl+D in a variable it should only select where is being

Is awesome but it needs some work, it would be _really_ nice if it were syntax aware, so if you start Ctrl+D in a variable it should only select where is being used as a variable and not other things (regex, strings, etc) or at least a boolean option to enable this behavior.