C # removing javascript events using the regular expression in the regular form

Private static string FixTag (Match tagMatch)

{

List <string> events = new List <string> ();

 

Events. Add ("onclick ");

Events. Add ("onmousedown ");

Events. Add ("onmouseover ");

Events. Add ("onmouseout ");

Events. Add ("onmouseup ");

 

Bool flag = true;

Regex regex = new Regex ("([-\ w] +) (= (\ "[^ \"] * \ "| '[^'] * '| (# | _)? \ W + ))? ");

String input = tagMatch. Value;

String str2 = "";

If (input. IndexOf ("</") = 0)

{

Return input. ToLower ();

}

String str3 = tagMatch. Groups [1]. Value. ToLower ();

Str2 = "<" + str3;

Foreach (Match match in regex. Matches (input ))

{

String text1 = match. Value;

String item = match. Groups [1]. Value;

String str5 = match. Groups [3]. Value. TrimStart (new char [] {'"'}). TrimEnd (new char [] {'"'});

If (! Flag |! Events. Contains (item ))

{

String str6 = str2;

Str2 = str6 + "" + item. ToLower () + "= \" "+ str5 + "\"";

}

}

Return (str2 + "> ");

}

Public static string RemoveJavaScriptEventsFromTags (string input)

{

 

Input = new Regex (@ "</? ([-\ W] +) ([^>] +)?> "). Replace (input, new MatchEvaluator (FixTag ));

Return input;

}