lib/regexp_parser/syntax/versions/2.0.0.rb
class Regexp::Syntax::V2_0_0 < Regexp::Syntax::V1_9_3
implements :keep, Keep::All
implements :conditional, Conditional::All
implements :property, UnicodeProperty::V2_0_0
implements :nonproperty, UnicodeProperty::V2_0_0
implements :type, CharacterType::Clustered
excludes :property, %i[newline]
excludes :nonproperty, %i[newline]
end