Check if a string exists in an array case insensitively

Question

Declaration:

let listArray = [\"kashif\"]
let word = \"kashif\"

then this

contains(listArray, word) 

Ret

Answer 1

You can add an extension:

Swift 5

extension Array where Element == String {
    func containsIgnoringCase(_ element: Element) -> Bool {
        contains { $0.caseInsensitiveCompare(element) == .orderedSame }
    }
}

and use it like this:

["tEst"].containsIgnoringCase("TeSt") // true