*repeats the group contents below any number of times:
\s*a Unicode whitespace character, repeated any number of times
Non-Capturing Group(?:,|and) ,the literal , (4410 / 548 / 2C16)
andthe literal text and (case insensitive) \s*a Unicode whitespace character, repeated any number of times
\d+a Unicode decimal digit, repeated at least once
Non-Capturing Group(?:\.\d+)? ?repeats the group contents below at most once:
\.the literal . (4610 / 568 / 2E16)
\d+a Unicode decimal digit, repeated at least once