Question

How to case insensitive check if a string starts with a specified substring in Swift

Answer 1

import Foundation

func startsWithCaseInsensitive(_ s: String, _ subs: String) -> Bool {
    return s.lowercased().hasPrefix(subs.lowercased())
}

let str = "Swift Programming Language";
let substr = "SWIFT"

let result = startsWithCaseInsensitive(str, substr)

print(result)




/*
run:

true

*/

 

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