DouKaku?

--- trie.cs.old Tue Nov 20 01:20:52 2007
+++ trie.cs     Tue Nov 20 01:21:24 2007
@@ -8,7 +8,7 @@
         using(StreamReader sr = new StreamReader(args[0])) {
             foreach(string line in sr.ReadToEnd().Split('\n', '\r')) {
                 if (line != string.Empty && !words.Contains(line)) {
-                    words.Add(line);
+                    words.Add(System.Text.RegularExpressions.Regex.Escape(line)
);
                 }
             }
             words.Sort();