let flag = "u{1f1e9}u{1f1ea}"

let string = "Hi🇩🇪!"
for char in string.characters {
    print(char)
}

String

for character in "Dog!🐶" {
    println(character)
}
// prints D, o, g, !, 🐶

let emoji: Character = "🇮🇹"
for scalar in emoji.unicodeScalars {
    print(scalar)
}
/*
 prints:
 🇮
 🇹
 */

let italianFlag = "🇮" + "🇹"
print(italianFlag)
/*
 prints:
 🇮🇹
 */

for scalar in emoji.unicodeScalars {
    print(scalar.value)
}
/*
 prints:
 127470
 127481
 */

let scalar1 = Unicode.Scalar(127470)
let scalar2 = Unicode.Scalar(127481)
let italianFlag = String(scalar1!) + String(scalar2!)
print(italianFlag)
/*
 prints:
 🇮🇹
 */

let emoji: Character = "🇮🇹"
for scalar in emoji.unicodeScalars {
    print(scalar.escaped(asASCII: true))
}
/*
 prints:
 u{0001F1EE}
 u{0001F1F9}
 */

let italianFlag = "u{0001F1EE}u{0001F1F9}"
print(italianFlag)
/*
 prints:
 🇮🇹
 */