Contents

hasPrefix(_:)

Returns a Boolean value that indicates whether a given string matches the beginning characters of the receiver.

Declaration

func hasPrefix(_ str: String) -> Bool

Parameters

  • str:

    A string.

Return Value

true if aString matches the beginning characters of the receiver, otherwise false. Returns false if aString is empty.

Discussion

This method is a convenience for comparing strings using the NSAnchoredSearch option. See String Programming Guide for more information.

See Also

Identifying and Comparing Strings