using System;
public class Test
{
public static void Main()
{
string str = @"N:
TEL:+65123345
END:VCARD
BEGIN:VENV
BEGIN:VBODY
Date:8/11/2013 11:59:00 PM
thi is a test message
Hello this is a test message on line 2
END:VBODY
END:VENV
END:VENV
END:VMSG";
int startId = str.IndexOf("BEGIN:VBODY")+11;
int endId = str.IndexOf("END:VBODY");
string sub = str.Substring(startId, endId-startId);
Console.WriteLine(sub);
}
}
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