Mthe literal M (7710 / 1158 / 4D16) (case insensitive)
rthe literal r (11410 / 1628 / 7216) (case insensitive)
sthe literal s (11510 / 1638 / 7316) (case insensitive)
.any Unicode character (except for line terminators)
\sa Unicode whitespace character
\w+a Unicode word character, repeated at least once
Non-Capturing Group(?:\s[\w-]+) \sa Unicode whitespace character
+matches at least one character from the set below:
\wa Unicode word character
-the literal - (4510 / 558 / 2D16)
Non-Capturing Group(?:\s\([^\)]*\))? ?repeats the group contents below at most once:
\sa Unicode whitespace character
\(the literal ( (4010 / 508 / 2816)
Negated Character Class[^\)]* *matches any number of characters outside the set below:
\)the literal ) (4110 / 518 / 2916)
\)the literal ) (4110 / 518 / 2916)