\(the literal ( (4010 / 508 / 2816)
X+the literal X (8810 / 1308 / 5816) (case insensitive), repeated at least once
\s?optionally matches a Unicode whitespace character
\.the literal . (4610 / 568 / 2E16)
\s?optionally matches a Unicode whitespace character
X+the literal X (8810 / 1308 / 5816) (case insensitive), repeated at least once
\)the literal ) (4110 / 518 / 2916)