\d{2}a digit, repeated exactly 2 times
\-the literal - (4510 / 558 / 2D16)
\w{3}any word character, repeated exactly 3 times
\-the literal - (4510 / 558 / 2D16)
\d{4}a digit, repeated exactly 4 times
\sany whitespace character
\d{2}a digit, repeated exactly 2 times
\:the literal : (5810 / 728 / 3A16)
\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{2}a digit, repeated exactly 2 times
\sany whitespace character
Group src_channel(?P<src_channel>\w+) \w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
Group dst_channel(?P<dst_channel>\w*) \w*any word character, repeated any number of times
\sany whitespace character
\w+any word character, repeated at least once
\sany whitespace character
Group bytes(?P<bytes>\d+) \d+a digit, repeated at least once
\sany whitespace character
\wany word character
.+any character (except for line terminators), repeated at least once
\sany whitespace character
rfc822the literal text rfc822 (case sensitive) g modifier: global. Finds all matches instead of stopping after the first