\s?optionally matches any whitespace character
\w+any word character, repeated at least once
=the literal = (6110 / 758 / 3D16)
+matches at least one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
Non-Capturing Group(?:\.[0-9]+)? ?repeats the group contents below at most once:
\.the literal . (4610 / 568 / 2E16)
+matches at least one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
\s?optionally matches any whitespace character
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string