^start of string
Group time(?<time>(?:\d{2}:){2}\d{2}\.\d{3} [^\s]*) Non-Capturing Group(?:\d{2}:){2} {2}repeats the group contents below exactly 2 times:
\d{2}a digit, repeated exactly 2 times
:the literal : (5810 / 728 / 3A16)
\d{2}a digit, repeated exactly 2 times
\.the literal . (4610 / 568 / 2E16)
\d{3}a digit, repeated exactly 3 times
the literal (3210 / 408 / 2016)
Negated Character Class[^\s]* *matches any number of characters outside the set below:
\sany whitespace character
Group message2(?<message2>[^ \]]*) Negated Character Class[^ \]]* *matches any number of characters outside the set below:
the literal (3210 / 408 / 2016)
\]the literal ] (9310 / 1358 / 5D16)
\]the literal ] (9310 / 1358 / 5D16)
the literal (3210 / 408 / 2016)
Group message3(?<message3>[^ \]]*) Negated Character Class[^ \]]* *matches any number of characters outside the set below:
the literal (3210 / 408 / 2016)
\]the literal ] (9310 / 1358 / 5D16)
\]the literal ] (9310 / 1358 / 5D16)
the literal (3210 / 408 / 2016)
Group message4(?<message4>[^ \]]*) Negated Character Class[^ \]]* *matches any number of characters outside the set below:
the literal (3210 / 408 / 2016)
\]the literal ] (9310 / 1358 / 5D16)
\]the literal ] (9310 / 1358 / 5D16)
the literal (3210 / 408 / 2016)
Group message5(?<message5>[^ \]]*) Negated Character Class[^ \]]* *matches any number of characters outside the set below:
the literal (3210 / 408 / 2016)
\]the literal ] (9310 / 1358 / 5D16)
\]the literal ] (9310 / 1358 / 5D16)
the literal (3210 / 408 / 2016)
Group severity(?<severity>\w+) \w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
Group log2222(?<log2222>.*) .*any character (except for line terminators), repeated any number of times
g modifier: global. Finds all matches instead of stopping after the first