\/the literal / (4710 / 578 / 2F16)
#the literal # (3510 / 438 / 2316)
\s*any whitespace character, repeated any number of times
Non-Capturing Group(?:.|\n)*? *?repeats the group contents below any number of times:
.any character (except for line terminators)
\na line-feed (newline) character (ASCII 10)
\s*any whitespace character, repeated any number of times
#the literal # (3510 / 438 / 2316)
\/the literal / (4710 / 578 / 2F16)
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