Create > Select by Properties > Select by Materials prompts you with the following dialog.
It allows you to select/unselect elements that use the specified materials.
Three selection modes are provided: “Select”, “Unselect”, “Reverse Select”. The “Select” mode will select elements. The “Unselect” mode will unselect elements. The “Reverse Select” mode will select the unselected elements and unselect the selected elements.