(? \()(.*?)(? \)) . . . in this search we are looking for text between two parentheses, so we need to use a back slash to escape where the open parens is referenced, and before where the closed parens is placed in the search. “The Blue Book is a widely used style guide for legal citation, but it is not uniformly followed. For instance, many states, including the State of Louisiana, do not follow Blue Book format for state case law. In addition, there are other legal citation style guides. Therefore, citation style does not dictate whether a federal or state claim is presented in a complaint. Instead, the well-pleaded complaint rule governs whether federal jurisdiction exists.”