(?ms)applies the following effective flags to the remainder of the pattern: gms m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string
s modifier: single line. Allows a dot to match line terminators
LOCthe literal text LOC (case sensitive) \s+any whitespace character, repeated at least once
\[the literal [ (9110 / 1338 / 5B16)
Negated Character Class[^\]]+ +matches at least one character outside the set below:
\]the literal ] (9310 / 1358 / 5D16)
.*any character, repeated any number of times
Channel:the literal text Channel: (case sensitive) \s+any whitespace character, repeated at least once
Group Channel(?<Channel>.*) .*any character, repeated any number of times
\s+any whitespace character, repeated at least once
offsetthe literal text offset (case sensitive) \s+any whitespace character, repeated at least once
level:the literal text level: (case sensitive) \s+any whitespace character, repeated at least once
Group offset(?<offset>.*) .*any character, 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