Instance MethodFoundationEssentials
lastRange(of:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Returns the last found range of the type’s data buffer.
func lastRange<D>(of data: D) -> Range<Self.Index>? where D : DataProtocolParameters
dataThe data sequence to find.
Return Value
The range, if found, of the last match of the provided data sequence.
Discussion
An example of searching a data buffer for the last match:
let data: [UInt8] = [0, 1, 2, 3, 0, 1, 2, 3]
let pattern: [UInt8] = [2, 3]
let match = data.lastRange(of: pattern)
// match == 6..<8