kUCCollateCaseInsensitiveMask
If the corresponding bit is set, then uppercase and titlecase characters are treated as equivalent to the corresponding lowercase characters.
Declaration
var kUCCollateCaseInsensitiveMask: Int { get }If the corresponding bit is set, then uppercase and titlecase characters are treated as equivalent to the corresponding lowercase characters.
var kUCCollateCaseInsensitiveMask: Int { get }