HTML特殊逸出字元列表

HTML特殊逸出字元列表
最常用的字元實體
Character Entities
顯示 說明 實體名稱 實體編號
半方大的空白    
全方大的空白    
不斷行的空白欄框    
< 小於 &lt; &#60;
> 大於 &gt; &#62;
& &符號 &amp; &#38;
" 雙引號 &quot; &#34;
? 著作權 &copy; &#169;
? 登入商標 &reg; &#174;
? 商標（美國） ? &#8482;
× 乘號 &times; &#215;
÷ 除號 &divide; &#247;

/// <summary>
/// Replaces the &lt; with the less then symbol and &gt; with the greater then symbol.
/// </summary>
/// <param name="xml">String to be unescaped</param>
/// <returns>An xml string containing the greter then and less then symbols.</returns>
private string UnEscapeXml(string xml)
{
string result = xml.Replace("&lt;", "<");
result = result.Replace("&gt;", ">");
result = result.Replace("'<'", "&lt;");
result = result.Replace("'quot'", "&quot;");
return result.Replace("'>'", "&gt;");
}

/// <summary>
/// Replaces the less then and greater then symbol with &lt; and &gt;
/// </summary>
/// <param name="xml">String to be escaped</param>
/// <returns>An xml string with &lt; and &gt;</returns>
private string EscapeXml(string xml)
{
string result = xml.Replace("&lt;", "'&lt;'");
result = result.Replace("&quot;", "'quot'");
result = result.Replace("&gt;", "'&gt;'");
result = result.Replace("<", "&lt;");
return result.Replace(">", "&gt;");
}