Instance MethodFoundationEssentials
range(of:options:in:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Find the given
Data in the content of this Data.func range(of dataToFind: Data, options: Data.SearchOptions = [], in range: Range<Data.Index>? = nil) -> Range<Data.Index>?Parameters
dataToFindThe data to be searched for.
optionsOptions for the search. Default value is
[].rangeThe range of this data in which to perform the search. Default value is
nil, which means the entire content of this data.
Return Value
A Range specifying the location of the found data, or nil if a match could not be found.
Discussion
Precondition
range must be in the bounds of the Data.