將ANSI編碼的文字轉為Unicode

source 來源：啟隆
Response.Write(Util.Big52Unicode(tt));
///

/// ANSI轉Unicode
///

///
///
public static string Big52Unicode(string str)
{
new Regex("&#(?[^;]+)", RegexOptions.IgnoreCase);
Match mc = re.Match(str);
while (mc.Success)
{
int S = Convert.ToInt32(mc.Result("${pp}"));
string newS = Char.ConvertFromUtf32(S);
//HttpContext.Current.Response.Write(Char.ConvertFromUtf32(S) +
"
");
str = str.Replace("&#" + S + ";", newS);
mc = mc.NextMatch();
}

return str;
}