^start of line
.*?any Unicode character (except for line terminators), repeated any number of times
\s*a Unicode whitespace character, repeated any number of times
\(the literal ( (4010 / 508 / 2816)
Group hhmm(?P<hhmm>(?:\d|[01]\d|2[0-3]):[0-5]\d) Non-Capturing Group(?:\d|[01]\d|2[0-3]) \da Unicode decimal digit
0the literal 0 (4810 / 608 / 3016)
1the literal 1 (4910 / 618 / 3116)
\da Unicode decimal digit
2the literal 2 (5010 / 628 / 3216)
0-3one character from 0 (4810) to 3 (5110)
:the literal : (5810 / 728 / 3A16)
0-5one character from 0 (4810) to 5 (5310)
\da Unicode decimal digit
\)the literal ) (4110 / 518 / 2916)
:the literal : (5810 / 728 / 3A16)
\s*a Unicode whitespace character, repeated any number of times
Group Quote(?P<Quote>.*(?:\n(?!\n).*)*) .*any Unicode character (except for line terminators), repeated any number of times
Non-Capturing Group(?:\n(?!\n).*)* *repeats the group contents below any number of times:
\na line-feed (newline) character (ASCII 10)
\na line-feed (newline) character (ASCII 10)
.*any Unicode character (except for line terminators), repeated any number of times
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