Remove HTML tags and replace script tags

   1:  //<summary>

   2:  ///        Remove HTML tags

   3:  //        </summary>

   4:  ///        <param name= "nohtml" > including HTML source code </param>

   5:  ///        <returns> removed text after </returns>

   6:  public        staticstring removehtml (string htmlstring)

   7:          {

   8:              if (string. IsNullOrEmpty (htmlstring))

   9:              {

  Ten:                  returnstring. Empty;

One   :              }

  :              //Delete script

@ "<script[^>]*?>.*?</script>" ",                Regexoptions.ignorecase);

  :  

  :              //delete HTML

  :              @ < (. [ ^>]*) >"", regexoptions.ignorecase);

  :              @ "([\ r \ n]) [\s]+""", regexoptions.ignorecase);

  :              @ "--" "", regexoptions.ignorecase);

  :              @ "<!--. *" "" ", regexoptions.ignorecase);

  :              @ & (quot| #34); "\" ", Regexoptions.ignorecase);

  :              @ "& (amp| #38);" "&", regexoptions.ignorecase);

  :              @ "& (lt| #60);" "<", regexoptions.ignorecase);

At   :              @ "& (gt| #62);" ">", Regexoptions.ignorecase);

@ "& (nbsp| #160);"               "", Regexoptions.ignorecase);

@ "& (iexcl| #161);"               "\xa1", regexoptions.ignorecase);

  :              @ "& (cent| #162);" "\xa2", regexoptions.ignorecase);

@ "& (pound| #163);"               "\xa3", regexoptions.ignorecase);

  :              @ "& (copy| #169);" "\xa9", regexoptions.ignorecase);

  £ º              @ "(\d+);" "", Regexoptions.ignorecase);

  :              htmlstring.replace ("<" ");

To   :              htmlstring.replace (">" ");

  :              htmlstring.replace ("\ r \ n"");

  :  

  :              return htmlstring;

  :          }

  £ º  

  Panax Notoginseng  :

Block   :          #region Regular expression replaces script code that contains scripts for scripting attacks

  //  /        <summary>

Max   :  ///        Regular expression replace script code with script attack

In   :  ///        author:Andrew.He

  //  /        </summary>

  //  /        <param name= "scriptstring" > String containing script attack </param>

A   :  ///        <returns> Replace script attack string </returns>

  :  public        staticstring removescript (string scriptstring)

  :          {

A   :              if (string. IsNullOrEmpty (scriptstring))

  :              {

  £ º                  return scriptstring;

  :              }

  Wuyi:  

  :              //Perform a replacement operation

  :              @ "<[]*script""[Script", regexoptions.ignorecase);

Si   :              @ "/[]*script[]*>" "/script]", regexoptions.ignorecase);

  :  

  £ º              return scriptstring;

  £ º          }

  :          #endregion