Converting Emoji String to HTML and back

gistfile1.swift

// Playground - noun: a place where people can play

import UIKit

let str = "Test 🇯🇵"
var str2 = ""

for char in str.unicodeScalars {
    if (char.value>7936) {
        str2 += "&#"+String(Int(char.value))+";"
    } else {
        str2 += String(char)
    }
}

str2

let encodedData = str2.dataUsingEncoding(NSUTF8StringEncoding)!
let attributedOptions = [NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType]
let attributedString = NSAttributedString(data: encodedData, options: attributedOptions, documentAttributes: nil, error: nil)
let decodedString = attributedString!.string