Remove HTML from regular expressions to obtain plain text

Public static string delhtml (string htmlstring) // remove html

{
# Region
// Delete the script

Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "<SCRIPT [^>] *?>. *? </SCRIPT> "," ", system. Text. regularexpressions. regexoptions. ignorecase );

// Delete HTML

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "<(. [^>] *)> "," ", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "([\ r \ n]) [\ s] +", "", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "-->", "", system. Text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "<! --. * "," ", System. Text. regularexpressions. regexoptions. ignorecase );

// Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "<A>. * </a> ","");

// Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "<[A-Za-Z] * = \. [A-Za-Z] * \? [A-Za-Z] + = \ D & \ W = % [A-Za-Z] * | [A-Z0-9] "," ");

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (quot | #34);", "\" ", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (Amp | #38);", "&", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (LT | #60);", "<", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (GT | #62);", ">", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "& (nbsp | #160);", "", system. Text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (iexcl | #161);", "\ xA1", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (cent |# 162);", "\ xa2", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (pound | #163);", "\ xa3", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. text. regularexpressions. regEx. replace (htmlstring, @ "& (copy | #169);", "\ xa9", system. text. regularexpressions. regexoptions. ignorecase );

Htmlstring = system. Text. regularexpressions. RegEx. Replace (htmlstring, @ "& # (\ D +);", "", system. Text. regularexpressions. regexoptions. ignorecase );

Htmlstring. Replace ("<","");

Htmlstring. Replace ("> ","");

Htmlstring. Replace ("\ r \ n ","");

// Htmlstring = httpcontext. Current. server. htmlencode (htmlstring). Trim ();
# Endregion

Return htmlstring;

}