Rewritten regex formatting code, refactored headers to reduce dependencies.

[SVN r22891]

example/timer/regex_timer.cpp

@@ -33,9 +33,15 @@ using std::getline;
 
 #include <boost/config.hpp>
 #include <boost/regex.hpp>
+#include <boost/cregex.hpp>
 #include <boost/timer.hpp> 
 #include <boost/smart_ptr.hpp>
 
+#if defined(_WIN32) && defined(BOOST_REGEX_USE_WIN32_LOCALE)
+#include <windows.h>
+#pragma comment(lib, "user32.lib")
+#endif
+
 #if (defined(_MSC_VER) && (_MSC_VER <= 1300)) || defined(__sgi)
 // maybe no Koenig lookup, use using declaration instead:
 using namespace boost;