[HELP] C#: Pa suggest po mga master

[ggwp01]

May ginagawang tool ako sa trabaho gamit c#.
Ito ang current tool ko.
Magread ng html file tapos may palitan na code.
Example - sample.html
<span>sample text </span>
<span>sample dsad</span>
<span>dasdasda</span>

Output:
<span>1. sample text </span>
<span>2. sample dsad</span>
<span>3. dasdasda</span>

Problem ko ngayon ay kapag ganito ang structure ng html
<span>
sample text
</span>

Wala siyang output. Patulong naman po.

 

[puuts]

lapag mo code mo

 

[ggwp01]

lapag mo code mo

StreamReader sr = new StreamReader(textBox2.Text);
string line = "";
line = sr.ReadLine();
int temp = 1;
string str = new string(' ', 10);
while (line != null)
{

Regex yourRegex = new Regex(@"(?<=<span>)(.*?)(?=</span>)");
Match match = yourRegex.Match(line);
if (match.Success)
{
int pFrom = line.IndexOf("<span>") + "<span>".Length;
int pTo = line.LastIndexOf("</span>");
string result = line.Substring(pFrom, pTo - pFrom);
string replace = result.Replace(result, "REPLACE");
textBox1.AppendText("<tr>\r\n"+str+"<td>" +temp+replace.ToString()+ "</td>\r\n</tr>" + "\r\n");
line = sr.ReadLine();
temp++;
}
else
{
line = sr.ReadLine();
}


}

 

[matt8988]

StreamReader sr = new StreamReader(textBox2.Text);
string line = "";
line = sr.ReadLine();
int temp = 1;
string str = new string(' ', 10);
while (line != null)
{

Regex yourRegex = new Regex(@"(?<=<span>)(.*?)(?=</span>)");
Match match = yourRegex.Match(line);
if (match.Success)
{
int pFrom = line.IndexOf("<span>") + "<span>".Length;
int pTo = line.LastIndexOf("</span>");
string result = line.Substring(pFrom, pTo - pFrom);
string replace = result.Replace(result, "REPLACE");
textBox1.AppendText("<tr>\r\n"+str+"<td>" +temp+replace.ToString()+ "</td>\r\n</tr>" + "\r\n");
line = sr.ReadLine();
temp++;
}
else
{
line = sr.ReadLine();
}


}

Gamitin mo StreamWriter.WriteLine