--- a/develop/models/extractapp.php	Mon Feb 23 12:46:03 2015 +0100
+++ b/develop/models/extractapp.php	Mon Feb 23 14:34:43 2015 +0100
@@ -345,6 +345,16 @@
             }
 
             file_put_contents( $data_path."regex_files/".$_postdata['filename'].".txt", $require);   
+
+            // update topic_regex_relation table
+            $topic_id = $_postdata['topic_id'];
+            $filename = $_postdata['filename'].'.txt';
+            $query = "INSERT INTO topic_regex_relation (topic_id, regex_filename) VALUES (".$topic_id.",'".$filename."')";
+            $result = mysql_query($query);
+            if (!$result) {
+                echo json_encode("error");
+            }
+
         }
     }