^start of line
#the literal # (3510 / 438 / 2316)
\da digit
\s*any whitespace character, repeated any number of times
–the literal – (821110 / 200238 / 201316)
\s*any whitespace character, repeated any number of times
\d*a digit, repeated any number of times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case sensitive)
A-Zone character from A (6510) to Z (9010) (case sensitive)
\s+any whitespace character, repeated at least once
\$the literal $ (3610 / 448 / 2416)
\d*a digit, repeated any number of times
\.?optionally matches the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
$end of line
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