module Regexp::Expression
module Regexp::Expression::Anchor
module Regexp::Expression::Assertion
module Regexp::Expression::Backreference
module Regexp::Expression::CharacterType
module Regexp::Expression::Conditional
module Regexp::Expression::EscapeSequence
module Regexp::Expression::Group
module Regexp::Expression::Keep
module Regexp::Expression::Shared
module Regexp::Expression::Shared::ClassMethods
module Regexp::Expression::UnicodeProperty
module Regexp::Expression::UnicodeProperty::Codepoint
module Regexp::Expression::UnicodeProperty::Letter
module Regexp::Expression::UnicodeProperty::Mark
module Regexp::Expression::UnicodeProperty::Number
module Regexp::Expression::UnicodeProperty::Punctuation
module Regexp::Expression::UnicodeProperty::Separator
module Regexp::Expression::UnicodeProperty::Symbol
module Regexp::Syntax
module Regexp::Syntax::Token
module Regexp::Syntax::Token::Anchor
module Regexp::Syntax::Token::Assertion
module Regexp::Syntax::Token::Backreference
module Regexp::Syntax::Token::CharacterSet
module Regexp::Syntax::Token::CharacterType
module Regexp::Syntax::Token::Conditional
module Regexp::Syntax::Token::Escape
module Regexp::Syntax::Token::FreeSpace
module Regexp::Syntax::Token::Group
module Regexp::Syntax::Token::Keep
module Regexp::Syntax::Token::Literal
module Regexp::Syntax::Token::Meta
module Regexp::Syntax::Token::PosixClass
module Regexp::Syntax::Token::Quantifier
module Regexp::Syntax::Token::SubexpressionCall
module Regexp::Syntax::Token::UnicodeProperty
module Regexp::Syntax::Token::UnicodeProperty::Category
class Regexp
class Regexp::Expression::Alternation
class Regexp::Expression::Alternative
class Regexp::Expression::Anchor::Base
class Regexp::Expression::Anchor::BeginningOfLine
class Regexp::Expression::Anchor::BeginningOfString
class Regexp::Expression::Anchor::EndOfLine
class Regexp::Expression::Anchor::EndOfString
class Regexp::Expression::Anchor::EndOfStringOrBeforeEndOfLine
class Regexp::Expression::Anchor::MatchStart
class Regexp::Expression::Anchor::NonWordBoundary
class Regexp::Expression::Anchor::WordBoundary
class Regexp::Expression::Assertion::Base
class Regexp::Expression::Assertion::Lookahead
class Regexp::Expression::Assertion::Lookbehind
class Regexp::Expression::Assertion::NegativeLookahead
class Regexp::Expression::Assertion::NegativeLookbehind
class Regexp::Expression::Backreference::Base
class Regexp::Expression::Backreference::Name
class Regexp::Expression::Backreference::NameCall
class Regexp::Expression::Backreference::NameRecursionLevel
class Regexp::Expression::Backreference::Number
class Regexp::Expression::Backreference::NumberCall
class Regexp::Expression::Backreference::NumberCallRelative
class Regexp::Expression::Backreference::NumberRecursionLevel
class Regexp::Expression::Backreference::NumberRelative
class Regexp::Expression::Base
class Regexp::Expression::CharacterSet
class Regexp::Expression::CharacterSet::IntersectedSequence
class Regexp::Expression::CharacterSet::Intersection
class Regexp::Expression::CharacterSet::Range
class Regexp::Expression::CharacterType::Any
class Regexp::Expression::CharacterType::Base
class Regexp::Expression::CharacterType::Digit
class Regexp::Expression::CharacterType::ExtendedGrapheme
class Regexp::Expression::CharacterType::Hex
class Regexp::Expression::CharacterType::Linebreak
class Regexp::Expression::CharacterType::NonDigit
class Regexp::Expression::CharacterType::NonHex
class Regexp::Expression::CharacterType::NonSpace
class Regexp::Expression::CharacterType::NonWord
class Regexp::Expression::CharacterType::Space
class Regexp::Expression::CharacterType::Word
class Regexp::Expression::Comment
class Regexp::Expression::Conditional::Branch
class Regexp::Expression::Conditional::Condition
class Regexp::Expression::Conditional::Expression
class Regexp::Expression::Conditional::TooManyBranches
class Regexp::Expression::EscapeSequence::AbstractMetaControlSequence
class Regexp::Expression::EscapeSequence::AsciiEscape
class Regexp::Expression::EscapeSequence::Backspace
class Regexp::Expression::EscapeSequence::Base
class Regexp::Expression::EscapeSequence::Bell
class Regexp::Expression::EscapeSequence::Codepoint
class Regexp::Expression::EscapeSequence::CodepointList
class Regexp::Expression::EscapeSequence::Control
class Regexp::Expression::EscapeSequence::FormFeed
class Regexp::Expression::EscapeSequence::Hex
class Regexp::Expression::EscapeSequence::Literal
class Regexp::Expression::EscapeSequence::Meta
class Regexp::Expression::EscapeSequence::MetaControl
class Regexp::Expression::EscapeSequence::Newline
class Regexp::Expression::EscapeSequence::Octal
class Regexp::Expression::EscapeSequence::Return
class Regexp::Expression::EscapeSequence::Tab
class Regexp::Expression::EscapeSequence::VerticalTab
class Regexp::Expression::FreeSpace
class Regexp::Expression::Group::Absence
class Regexp::Expression::Group::Atomic
class Regexp::Expression::Group::Base
class Regexp::Expression::Group::Capture
class Regexp::Expression::Group::Comment
class Regexp::Expression::Group::Named
class Regexp::Expression::Group::Options
class Regexp::Expression::Group::Passive
class Regexp::Expression::Keep::Mark
class Regexp::Expression::Literal
class Regexp::Expression::PosixClass
class Regexp::Expression::Quantifier
class Regexp::Expression::Root
class Regexp::Expression::Sequence
class Regexp::Expression::SequenceOperation
class Regexp::Expression::Subexpression
class Regexp::Expression::UnicodeProperty::Age
class Regexp::Expression::UnicodeProperty::Alnum
class Regexp::Expression::UnicodeProperty::Alpha
class Regexp::Expression::UnicodeProperty::Any
class Regexp::Expression::UnicodeProperty::Ascii
class Regexp::Expression::UnicodeProperty::Assigned
class Regexp::Expression::UnicodeProperty::Base
class Regexp::Expression::UnicodeProperty::Blank
class Regexp::Expression::UnicodeProperty::Block
class Regexp::Expression::UnicodeProperty::Cntrl
class Regexp::Expression::UnicodeProperty::Codepoint::Any
class Regexp::Expression::UnicodeProperty::Codepoint::Base
class Regexp::Expression::UnicodeProperty::Codepoint::Control
class Regexp::Expression::UnicodeProperty::Codepoint::Format
class Regexp::Expression::UnicodeProperty::Codepoint::PrivateUse
class Regexp::Expression::UnicodeProperty::Codepoint::Surrogate
class Regexp::Expression::UnicodeProperty::Codepoint::Unassigned
class Regexp::Expression::UnicodeProperty::Derived
class Regexp::Expression::UnicodeProperty::Digit
class Regexp::Expression::UnicodeProperty::Emoji
class Regexp::Expression::UnicodeProperty::Graph
class Regexp::Expression::UnicodeProperty::Letter::Any
class Regexp::Expression::UnicodeProperty::Letter::Base
class Regexp::Expression::UnicodeProperty::Letter::Cased
class Regexp::Expression::UnicodeProperty::Letter::Lowercase
class Regexp::Expression::UnicodeProperty::Letter::Modifier
class Regexp::Expression::UnicodeProperty::Letter::Other
class Regexp::Expression::UnicodeProperty::Letter::Titlecase
class Regexp::Expression::UnicodeProperty::Letter::Uppercase
class Regexp::Expression::UnicodeProperty::Lower
class Regexp::Expression::UnicodeProperty::Mark::Any
class Regexp::Expression::UnicodeProperty::Mark::Base
class Regexp::Expression::UnicodeProperty::Mark::Combining
class Regexp::Expression::UnicodeProperty::Mark::Enclosing
class Regexp::Expression::UnicodeProperty::Mark::Nonspacing
class Regexp::Expression::UnicodeProperty::Mark::Spacing
class Regexp::Expression::UnicodeProperty::Newline
class Regexp::Expression::UnicodeProperty::Number::Any
class Regexp::Expression::UnicodeProperty::Number::Base
class Regexp::Expression::UnicodeProperty::Number::Decimal
class Regexp::Expression::UnicodeProperty::Number::Letter
class Regexp::Expression::UnicodeProperty::Number::Other
class Regexp::Expression::UnicodeProperty::Print
class Regexp::Expression::UnicodeProperty::Punct
class Regexp::Expression::UnicodeProperty::Punctuation::Any
class Regexp::Expression::UnicodeProperty::Punctuation::Base
class Regexp::Expression::UnicodeProperty::Punctuation::Close
class Regexp::Expression::UnicodeProperty::Punctuation::Connector
class Regexp::Expression::UnicodeProperty::Punctuation::Dash
class Regexp::Expression::UnicodeProperty::Punctuation::Final
class Regexp::Expression::UnicodeProperty::Punctuation::Initial
class Regexp::Expression::UnicodeProperty::Punctuation::Open
class Regexp::Expression::UnicodeProperty::Punctuation::Other
class Regexp::Expression::UnicodeProperty::Script
class Regexp::Expression::UnicodeProperty::Separator::Any
class Regexp::Expression::UnicodeProperty::Separator::Base
class Regexp::Expression::UnicodeProperty::Separator::Line
class Regexp::Expression::UnicodeProperty::Separator::Paragraph
class Regexp::Expression::UnicodeProperty::Separator::Space
class Regexp::Expression::UnicodeProperty::Space
class Regexp::Expression::UnicodeProperty::Symbol::Any
class Regexp::Expression::UnicodeProperty::Symbol::Base
class Regexp::Expression::UnicodeProperty::Symbol::Currency
class Regexp::Expression::UnicodeProperty::Symbol::Math
class Regexp::Expression::UnicodeProperty::Symbol::Modifier
class Regexp::Expression::UnicodeProperty::Symbol::Other
class Regexp::Expression::UnicodeProperty::Upper
class Regexp::Expression::UnicodeProperty::Word
class Regexp::Expression::UnicodeProperty::XPosixPunct
class Regexp::Expression::UnicodeProperty::Xdigit
class Regexp::Expression::WhiteSpace
class Regexp::Lexer
class Regexp::MatchLength
class Regexp::Parser
class Regexp::Parser::Error
class Regexp::Parser::ParserError
class Regexp::Parser::UnknownTokenError
class Regexp::Parser::UnknownTokenTypeError
class Regexp::Scanner
class Regexp::Scanner::InvalidBackrefError
class Regexp::Scanner::InvalidGroupError
class Regexp::Scanner::InvalidGroupOption
class Regexp::Scanner::InvalidSequenceError
class Regexp::Scanner::PrematureEndError
class Regexp::Scanner::ScannerError
class Regexp::Scanner::UnknownPosixClassError
class Regexp::Scanner::UnknownUnicodePropertyError
class Regexp::Scanner::ValidationError
class Regexp::Syntax::Any
class Regexp::Syntax::Base
class Regexp::Syntax::InvalidVersionNameError
class Regexp::Syntax::NotImplementedError
class Regexp::Syntax::SyntaxError
class Regexp::Syntax::UnknownSyntaxNameError
class Regexp::Syntax::V1_8_6
class Regexp::Syntax::V1_9_1
class Regexp::Syntax::V1_9_3
class Regexp::Syntax::V2_0_0
class Regexp::Syntax::V2_2_0
class Regexp::Syntax::V2_3_0
class Regexp::Syntax::V2_4_0
class Regexp::Syntax::V2_4_1
class Regexp::Syntax::V2_5_0
class Regexp::Syntax::V2_6_0
class Regexp::Syntax::V2_6_2
class Regexp::Syntax::V2_6_3
class Regexp::Syntax::V3_1_0
class Regexp::Syntax::V3_2_0
regexp_parser
2.6.1
# optional?
def optional? quantified? && quantifier.min == 0 end