WrathChaos/generate-4-digit-random.md

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How to generate 4-digit random number with Swift? Article: https://freakycoder.com/ios-notes-41-how-to-generate-4-digit-random-number-in-swift-3-31194c87f4b4

Raw

generate-4-digit-random.md

var fourDigitNumber: String {
 var result = ""
 repeat {
     // Create a string with a random number 0...9999
     result = String(format:"%04d", arc4random_uniform(10000) )
 } while Set<Character>(result.characters).count < 4
 return result
}

// USAGE       
let password = fourDigitNumber
print("Generated Password : \(password)")

kosratdev commented Sep 24, 2018

Set<Character>(result.characters).count is deprecated use result.count