^start of line
Cthe literal C (6710 / 1038 / 4316) (case sensitive)
\w*a Unicode word character, repeated any number of times
Non-Capturing Group(?:-\d+)? ?repeats the group contents below at most once:
-the literal - (4510 / 558 / 2D16)
\d+a Unicode decimal digit, repeated at least once
Non-Capturing Group(?:-\d+)? ?repeats the group contents below at most once:
-the literal - (4510 / 558 / 2D16)
\d+a Unicode decimal digit, repeated at least once
\W*any character that is not a Unicode word character, repeated any number of times
\ba Unicode word boundary
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