public static string Decode(string name)
{
string result = name.Replace("&-", "&");
var encoding = new UnicodeEncoding(true, false);
var rex = new Regex(@"&[\w|,|\+]*-");
MatchCollection matches = rex.Matches(name);
foreach (Match m in matches)
{
string v = m.Value.TrimStart('&').TrimEnd('-').Replace(",", "/");
v += v.Length % 4 == 2 ? "==" : (v.Length % 4 == 3 ? "=" : "");
var data = Base64Converter.Decode(v);
result = result.Replace(m.Value, encoding.GetString(data, 0, data.Length).Replace("\0", ""));
}
return(result);
}
public static string Encode(string value)
{
if (string.IsNullOrEmpty(value))
{
return(string.Empty);
}
value = value.Replace("&", "&-");
var rex = new Regex("[^ -~]*");
var encoding = new UnicodeEncoding(true, false);
IEnumerable <Match> toEncode =
rex.Matches(value).Cast <Match>().Where(_ => !string.IsNullOrEmpty(_.Value));
foreach (Match match in toEncode)
{
string b64 = "&" + Base64Converter.Encode(encoding.GetBytes(match.Value)).TrimEnd('=').Replace("/", ",") +
"-";
value = value.Replace(match.Value, b64);
}
return(value);
}
