How to find candidate email Id from a resume (word or pdf file) in asp.net during bulk upload

try this code...it is in following way..it possible using Regx...
1.Map your resume folder.
2.Fect all file in FileInfo[].
3.Retrive using for
4.read file using reader
5.Give email patter.
6.pass that data to regx match method in for loop...

StreamReader reader;
        int openIndex;
        string resume_data;

 string pattern = @"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*";

        DirectoryInfo di = new DirectoryInfo(Server.MapPath("~/resumes"));
        FileInfo[] rgFiles = di.GetFiles("*.doc");
        foreach (FileInfo fi in rgFiles)
        {
            
            resume_data = "";
            reader = new StreamReader(fi.FullName);
            resume_data = reader.ReadToEnd();
            reader.Close();

	foreach (Match m in Regex.Matches(resume_data , pattern))
            {
                txtEmailds.Text = txtEmailds.Text + "  " + m.Value;
            }
	}

...try as demo..it is working on my side ...try by implementing your logic as per ur requirements....
also search for "Regx class in c#.net" on Google...study it...
go through following link...
http://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex.matches.aspx[^]
....hope it will help u