\w+any word character, repeated at least once
\:the literal : (5810 / 728 / 3A16)
\w+any word character, repeated at least once
Non-Capturing Group(?:\.\d+|\d+(?:-\d+)+)? ?repeats the group contents below at most once:
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
2nd Alternative\d+(?:-\d+)+ \d+a digit, repeated at least once
Non-Capturing Group(?:-\d+)+ +repeats the group contents below at least once:
-the literal - (4510 / 558 / 2D16)
\d+a digit, repeated at least once