\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
?repeats the group contents below at most once:
\Wany non-word character
?repeats the group contents below at most once:
\w+any word character, repeated at least once
Group 6(\s+\/(add|delete))? ?repeats the group contents below at most once:
\s+any whitespace character, repeated at least once
\/the literal / (4710 / 578 / 2F16)
addthe literal text add (case sensitive) deletethe literal text delete (case sensitive) $end of line