var str = "Hello, playground"
let utf8str = str.dataUsingEncoding(NSUTF8StringEncoding)//<48656c6c 6f2c2070 6c617967 726f756e 64>
if let base64Encoded = utf8str?.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue: 0))
{
"Encoded: \(base64Encoded)"//"Encoded: SGVsbG8sIHBsYXlncm91bmQ="
if let base64Decoded = NSData(base64EncodedString: base64Encoded, options: NSDataBase64DecodingOptions(rawValue: 0))
.map({ NSString(data: $0, encoding: NSUTF8StringEncoding) })
{
// Convert back to a string
"Decoded: \(base64Decoded)"//"Decoded: Optional(Hello, playground)"
}
}
