Filter HTML Script styles to avoid style conflicts

 Public   Static   String Tosafehtmlstring ( String Content)
{
 If (Content = Null )
{
 Return   String . Empty;
}
 If ( String . Isnullorwhitespace (content ))
{
Return Content;
}
Content = RegEx. Replace (content, @"  <SCRIPT [^ <>] *?> [\ S] *? </SCRIPT>  " , String. Empty, regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <([\ W] +? [^ <>] *?) (Class | style) = "" [^ ""] *? "" ([^ <>] *?)>  " , "  <$1 $3>  " , Regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <([\ W] +? [^ <>] *?) (Class | style) = '[^'] *? '([^ <>] *?)>  " , "  <$1 $3>  " , Regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <([\ W] +? [^ <>] *?) (Class | style) = [^ <>] *? ([^ <>] *? |)>  " , "  <$1 $3> " , Regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <Frameset [^ <>] *?> [\ S] *? </Frameset>  " , String. Empty, regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <Frameset [^ <>] *?>  " , String. Empty, regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <IFRAME [^ <>] *?> [\ S] *? </Iframe> " , String. Empty, regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <IFRAME [^ <>] *?>  " , String. Empty, regexoptions. ignorecase );
Content = RegEx. Replace (content, @"  <SCRIPT [^ <>] *?>  " , String. Empty, regexoptions. ignorecase );
 Return Content;
}