^start of line
\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times
\.the literal . (4610 / 568 / 2E16)
\sa Unicode whitespace character
\(the literal ( (4010 / 508 / 2816)
uthe literal u (11710 / 1658 / 7516) (case insensitive)
\)the literal ) (4110 / 518 / 2916)
\sa Unicode whitespace character
Negated Character Class[^:\n]* *matches any number of characters outside the set below:
:the literal : (5810 / 728 / 3A16)
\na line-feed (newline) character (ASCII 10)
:the literal : (5810 / 728 / 3A16)
.*?any Unicode character (except for line terminators), repeated any number of times
\sa Unicode whitespace character
onthe literal text on (case insensitive) \sa Unicode whitespace character
\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times
\sa Unicode whitespace character
.*any Unicode character (except for line terminators), repeated any number of times
Non-Capturing Group(?:\n(?![^\S\r\n]*\n).*)* *repeats the group contents below any number of times:
\na line-feed (newline) character (ASCII 10)
Negative Lookahead(?![^\S\r\n]*\n) Negated Character Class[^\S\r\n]* *matches any number of characters outside the set below:
\Sany character that is not Unicode whitespace
\ra carriage return (ASCII 13)
\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
i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters