using System;
public class Program
{
public static void Main()
var aa = JSON.stringify("your text here");
Console.WriteLine(aa);
}
public string DecodeUnicodeCharacters( string value ) {
return Regex.Replace(
value,
@"\\u(?<Value>[a-zA-Z0-9]{4})",
m => {
return ((char) int.Parse( m.Groups["Value"].Value, NumberStyles.HexNumber )).ToString();
} );