^start of line
Group device(?<device>[^ ]+) Negated Character Class[^ ]+ +matches at least one character outside the set below:
the literal (3210 / 408 / 2016)
\s+any whitespace character, repeated at least once
\w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
\w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
\w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
\w+any word character, repeated at least once
\s+any whitespace character, repeated at least once
\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