server/AyaNova/util/StringUtil.cs

@@ -118,6 +118,18 @@ namespace AyaNova.Util
             return str;
         }
 
+        public static string ReplaceLastOccurrence(string source, string find, string replace)
+        {
+            if (source == null) { return source; }
+            int place = source.LastIndexOf(find);
+
+            if (place == -1)
+                return source;
+
+            string result = source.Remove(place, find.Length).Insert(place, replace);
+            return result;
+        }
+
 
     }//eoc