^start of line
\(the literal ( (4010 / 508 / 2816)
\d{4}a Unicode decimal digit, repeated exactly 4 times
\-the literal - (4510 / 558 / 2D16)
\d{2}a Unicode decimal digit, repeated exactly 2 times
\-the literal - (4510 / 558 / 2D16)
\d{2}a Unicode decimal digit, repeated exactly 2 times
the literal (3210 / 408 / 2016)
.*any Unicode character (except for line terminators), repeated any number of times
\)the literal ) (4110 / 518 / 2916)
*the literal (3210 / 408 / 2016) , repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
-{3}the literal - (4510 / 558 / 2D16) , repeated exactly 3 times
*the literal (3210 / 408 / 2016) , repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case insensitive)
\.the literal . (4610 / 568 / 2E16)
+matches at least one character from the set below:
a-zone character from a (9710) to z (12210) (case insensitive)
*the literal (3210 / 408 / 2016) , repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
Group 1((?:.*[^ (\n].*\r?\n| *\r?\n(?=(?: *\r?\n)*(?!\(\d{4}\-\d{2}\-\d{2} .*\)).*[^ (\n]))*) Non-Capturing Group(?:.*[^ (\n].*\r?\n| *\r?\n(?=(?: *\r?\n)*(?!\(\d{4}\-\d{2}\-\d{2} .*\)).*[^ (\n]))* *repeats the group contents below any number of times:
1st Alternative.*[^ (\n].*\r?\n .*any Unicode character (except for line terminators), repeated any number of times
Negated Character Class[^ (\n] the literal (3210 / 408 / 2016)
(the literal ( (4010 / 508 / 2816)
\na line-feed (newline) character (ASCII 10)
.*any Unicode character (except for line terminators), repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
2nd Alternative *\r?\n(?=(?: *\r?\n)*(?!\(\d{4}\-\d{2}\-\d{2} .*\)).*[^ (\n]) *the literal (3210 / 408 / 2016) , repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
Positive Lookahead(?=(?: *\r?\n)*(?!\(\d{4}\-\d{2}\-\d{2} .*\)).*[^ (\n]) Non-Capturing Group(?: *\r?\n)* *repeats the group contents below any number of times:
*the literal (3210 / 408 / 2016) , repeated any number of times
\r?optionally matches a carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
Negative Lookahead(?!\(\d{4}\-\d{2}\-\d{2} .*\)) \(the literal ( (4010 / 508 / 2816)
\d{4}a Unicode decimal digit, repeated exactly 4 times
\-the literal - (4510 / 558 / 2D16)
\d{2}a Unicode decimal digit, repeated exactly 2 times
\-the literal - (4510 / 558 / 2D16)
\d{2}a Unicode decimal digit, repeated exactly 2 times
the literal (3210 / 408 / 2016)
.*any Unicode character (except for line terminators), repeated any number of times
\)the literal ) (4110 / 518 / 2916)
.*any Unicode character (except for line terminators), repeated any number of times
Negated Character Class[^ (\n] the literal (3210 / 408 / 2016)
(the literal ( (4010 / 508 / 2816)
\na line-feed (newline) character (ASCII 10)
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