^start of line
Group field1(?<field1>\d+-\d+-\d+ \d+:\d+:\d+) \d+a digit, repeated at least once
-the literal - (4510 / 558 / 2D16)
\d+a digit, repeated at least once
-the literal - (4510 / 558 / 2D16)
\d+a digit, repeated at least once
the literal (3210 / 408 / 2016)
\d+a digit, repeated at least once
:the literal : (5810 / 728 / 3A16)
\d+a digit, repeated at least once
:the literal : (5810 / 728 / 3A16)
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
Group field2(?<field2>\d+\.\d+\.\d+\.\d+) \d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\.the literal . (4610 / 568 / 2E16)
\d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
-the literal - (4510 / 558 / 2D16)
\s+any whitespace character, repeated at least once
Group field3(?<field3>\w+) \w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
\[the literal [ (9110 / 1338 / 5B16)
Group field4(?<field4>\d+) \d+a digit, repeated at least once
\]the literal ] (9310 / 1358 / 5D16)
Group field5(?<field5>\w+) \w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
\/the literal / (4710 / 578 / 2F16)
Group field6(?<field6>.+) .+any character (except for line terminators), repeated at least once
-the literal - (4510 / 558 / 2D16)
\s+any whitespace character, repeated at least once
Group field7(?<field7>\d+) \d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
-the literal - (4510 / 558 / 2D16)
\s+any whitespace character, repeated at least once
Group field8(?<field8>\d+) \d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
-the literal - (4510 / 558 / 2D16)
\s+any whitespace character, repeated at least once
Group field9(?<field9>\d+) \d+a digit, repeated at least once
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