string(at:effectiveRange:endsWithSearchBoundary:)
Returns the found string that is created by conceptually mapping its content to a single string, which is composed of a concatenation of all its substrings.
Declaration
optional func string(at characterIndex: Int, effectiveRange outRange: NSRangePointer, endsWithSearchBoundary outFlag: UnsafeMutablePointer<ObjCBool>) -> StringParameters
- characterIndex:
The given character index the client should return.
- outRange:
Returns, by reference, the “effective range” of that substring in the full conceptually concatenated string
- outFlag:
Returns, by-reference, whether the substring ends with a “search boundary”, meaning that NSTextFinder should not attempt to find any matches that overlap this boundary.
Return Value
Returns the found string.
Discussion
See NSTextFinder for more information.