Set by the Block as the matching progresses, completes, or fails. Used by the method enumerate.
SDKs
- iOS 4.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Foundation
Declaration
struct MatchingFlags
StructureNSRegular
NSRegular
Topics
Constants
static var progress: NSRegularSet when the Block is called to report progress during a long-running match operation.
static var completed: NSRegularSet when the Block is called after matching has completed.
static var hitSet when the current match operation reached the end of the search range.
static var requiredSet when the current match depended on the location of the end of the search range.
static var internalSet when matching failed due to an internal error.