lib/regexp_parser/syntax/versions/1.9.1.rb
class Regexp::Syntax::V1_9_1 < Regexp::Syntax::V1_8_6
implements :assertion, Assertion::Lookbehind
implements :backref, Backreference::V1_9_1 + SubexpressionCall::All
implements :escape, Escape::Unicode + Escape::Hex + Escape::Octal
implements :posixclass, PosixClass::Extensions
implements :nonposixclass, PosixClass::All
implements :property, UnicodeProperty::V1_9_0
implements :nonproperty, UnicodeProperty::V1_9_0
implements :quantifier, Quantifier::Possessive + Quantifier::IntervalPossessive
implements :type, CharacterType::Hex
end