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diff --git a/src/boost/libs/xpressive/example/numbers.cpp b/src/boost/libs/xpressive/example/numbers.cpp
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+++ b/src/boost/libs/xpressive/example/numbers.cpp
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+///////////////////////////////////////////////////////////////////////////////
+// numbers.cpp
+//
+//  Copyright 2008 David Jenkins. Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#if defined(_MSC_VER)
+//disbale warning C4996: 'std::xxx' was declared deprecated
+# pragma warning(disable:4996)
+#endif
+
+#include <iostream>
+#include <string>
+#include <map>
+#include <boost/assign/list_of.hpp> // for 'map_list_of()'
+#include <boost/xpressive/xpressive.hpp>
+#include <boost/xpressive/regex_actions.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+// Match all named numbers in a string and return their integer values
+//
+// For example, given the input string:
+//      "one two sixty three thousand ninety five eleven"
+// the program will output:
+//      "one = 1"
+//      "two = 2"
+//      "sixty three thousand ninety five = 63095"
+//      "eleven = 11"
+
+void example1()
+{
+    using namespace boost::xpressive;
+    using namespace boost::assign;
+
+    // initialize the maps for named numbers
+    std::map< std::string, int > ones_map =
+        map_list_of("one",1)("two",2)("three",3)("four",4)("five",5)
+        ("six",6)("seven",7)("eight",8)("nine",9);
+
+    std::map< std::string, int > teens_map =
+        map_list_of("ten",10)("eleven",11)("twelve",12)("thirteen",13)
+        ("fourteen",14)("fifteen",15)("sixteen",16)("seventeen",17)
+        ("eighteen",18)("nineteen",19);
+
+    std::map< std::string, int > tens_map =
+        map_list_of("twenty",20)("thirty",30)("fourty",40)
+        ("fifty",50)("sixty",60)("seventy",70)("eighty",80)("ninety",90);
+
+    std::map< std::string, int > specials_map =
+        map_list_of("zero",0)("dozen",12)("score",20);
+
+    // n is the integer result
+    local<long> n(0);
+    // temp stores intermediate values
+    local<long> temp(0);
+
+    // initialize the regular expressions for named numbers
+    sregex tens_rx =
+        // use skip directive to skip whitespace between words
+        skip(_s)
+        (
+            ( a3 = teens_map )
+            |
+            ( a2 = tens_map ) >> !( a1 = ones_map )
+            |
+            ( a1 = ones_map )
+        )
+        [ n += (a3|0) + (a2|0) + (a1|0) ];
+
+    sregex hundreds_rx =
+        skip(_s)
+        (
+            tens_rx >>
+            !(
+                as_xpr("hundred")  [ n *= 100 ]
+                >> !tens_rx
+             )
+        )
+        ;
+
+    sregex specials_rx =    // regex for special number names like dozen
+        skip(_s)
+        (
+            // Note: this uses two attribues, a1 and a2, and it uses
+            // a default attribute value of 1 for a1.
+            ( !( a1 = ones_map ) >> ( a2 = specials_map ) )
+                [ n = (a1|1) * a2 ]
+            >> !( "and" >> tens_rx )
+        )
+        ;
+
+    sregex number_rx =
+        bow
+        >>
+        skip(_s|punct)
+        (
+            specials_rx // special numbers
+            |
+            (   // normal numbers
+                !( hundreds_rx >> "million" ) [ temp += n * 1000000, n = 0 ]
+                >>
+                !( hundreds_rx >> "thousand" ) [ temp += n * 1000, n = 0 ]
+                >>
+                !hundreds_rx
+            )
+            [n += temp, temp = 0 ]
+        );
+
+    // this is the input string
+    std::string str( "one two three eighteen twenty two "
+        "nine hundred ninety nine twelve "
+        "eight hundred sixty three thousand ninety five "
+        "sixty five hundred ten "
+        "two million eight hundred sixty three thousand ninety five "
+        "zero sixty five hundred thousand "
+        "extra stuff "
+        "two dozen "
+        "four score and seven");
+
+    // the MATCHING results of iterating through the string are:
+    //      one  = 1
+    //      two  = 2
+    //      three  = 3
+    //      eighteen  = 18
+    //      twenty two  = 22
+    //      nine hundred ninety nine  = 999
+    //      twelve  = 12
+    //      eight hundred sixty three thousand ninety five  = 863095
+    //      sixty five hundred ten  = 6510
+    //      two million eight hundred sixty three thousand ninety five  = 2863095
+    //      zero = 0
+    //      sixty five hundred thousand = 6500000
+    //      two dozen = 24
+    //      four score and seven = 87
+    sregex_token_iterator cur( str.begin(), str.end(), number_rx );
+    sregex_token_iterator end;
+
+    for( ; cur != end; ++cur )
+    {
+        if ((*cur).length() > 0)
+            std::cout << *cur << " = " << n.get() << '\n';
+        n.get() = 0;
+    }
+    std::cout << '\n';
+    // the NON-MATCHING results of iterating through the string are:
+    //      extra = unmatched
+    //      stuff = unmatched
+    sregex_token_iterator cur2( str.begin(), str.end(), number_rx, -1 );
+    for( ; cur2 != end; ++cur2 )
+    {
+        if ((*cur2).length() > 0)
+            std::cout << *cur2 << " = unmatched" << '\n';
+    }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// main
+int main()
+{
+    std::cout << "\n\nExample 1:\n\n";
+    example1();
+
+    std::cout << "\n\n" << std::flush;
+
+    return 0;
+}