diff -Naur a/boost/algorithm/string/find_iterator.hpp b/boost/algorithm/string/find_iterator.hpp
--- a/boost/algorithm/string/find_iterator.hpp	2011-01-11 01:06:38.000000000 +0530
+++ b/boost/algorithm/string/find_iterator.hpp	2012-11-26 18:19:39.000000000 +0530
@@ -119,6 +119,9 @@
 
                 increment();
             }
+	private: 
+            find_iterator & operator=( const find_iterator& Other );
+
 
         private:
         // iterator operations
@@ -288,6 +291,8 @@
                     increment();
                 }
             }
+	private: 
+            split_iterator & operator=( const split_iterator& Other );
 
 
         private: