判斷textbox的正則集

判斷文本的正則   content=content.Replace("“","“");            content=content.Replace("”","”");            content = Regex.Replace(content, @"(<[b|B][r|R]/*>)+|(<[p|P](.|/n)*?>)", "/r/n");    //
            content = Regex.Replace(content, @"(/s*&[n|N][b|B][s|S][p|P];/s*)+", " ");    //             content = Regex.Replace(content, @"<(.|/n)*?>", string.Empty);    //any other tags            content = Regex.Replace(content, @"/]*>/g", string.Empty);    //any other tags            content = Regex.Replace(content, @"/[    | ]* /g", string.Empty);    //any other tags            content = Regex.Replace(content, @"/ [/s| |    ]* /g", string.Empty);