const regexp/syntax.ClassNL

4 uses

	regexp/syntax (current package)
		parse.go#L58: 	ClassNL                         // allow character classes like [^a-z] and [[:space:]] to match newline
		parse.go#L67: 	MatchNL = ClassNL | DotNL
		parse.go#L69: 	Perl        = ClassNL | OneLine | PerlX | UnicodeGroups // as close to Perl as possible
		parse.go#L1601: 		if p.flags&ClassNL == 0 {