Optionally A regex component that matches zero or one occurrences of its underlying component. Declarationstruct Optionally<Output> TopicsInitializersinit(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:)init(_:_:) RelationshipsConforms ToCopyableEscapableRegexComponent See AlsoQuantifiersOneZeroOrMoreOneOrMoreRepeatLocal