?repeats the group contents below at most once:
\s+any whitespace character, repeated at least once
\(the literal ( (4010 / 508 / 2816)
Group attune(?<attune>[^:]+?) Negated Character Class[^:]+? +?matches at least one character outside the set below:
:the literal : (5810 / 728 / 3A16)
\s*any whitespace character, repeated any number of times
Non-Capturing Group(?:by\s+a\s+(?<class>[^:]*?))? ?repeats the group contents below at most once:
bythe literal text by (case sensitive) \s+any whitespace character, repeated at least once
athe literal a (9710 / 1418 / 6116) (case sensitive)
\s+any whitespace character, repeated at least once
Group class(?<class>[^:]*?) Negated Character Class[^:]*? *?matches any number of characters outside the set below:
:the literal : (5810 / 728 / 3A16)
\)the literal ) (4110 / 518 / 2916)