diff --git a/include/ndnboost/regex/v4/regex_traits.hpp b/include/ndnboost/regex/v4/regex_traits.hpp
new file mode 100644
index 0000000..e991bb6
--- /dev/null
+++ b/include/ndnboost/regex/v4/regex_traits.hpp
@@ -0,0 +1,189 @@
+/*
+ *
+ * Copyright (c) 2003
+ * John Maddock
+ *
+ * Use, modification and distribution are subject to 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)
+ *
+ */
+ 
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         regex_traits.hpp
+  *   VERSION      see <ndnboost/version.hpp>
+  *   DESCRIPTION: Declares regular expression traits classes.
+  */
+
+#ifndef NDNBOOST_REGEX_TRAITS_HPP_INCLUDED
+#define NDNBOOST_REGEX_TRAITS_HPP_INCLUDED
+
+#ifndef NDNBOOST_REGEX_CONFIG_HPP
+#include <ndnboost/regex/config.hpp>
+#endif
+#ifndef NDNBOOST_REGEX_WORKAROUND_HPP
+#include <ndnboost/regex/v4/regex_workaround.hpp>
+#endif
+#ifndef NDNBOOST_REGEX_SYNTAX_TYPE_HPP
+#include <ndnboost/regex/v4/syntax_type.hpp>
+#endif
+#ifndef NDNBOOST_REGEX_ERROR_TYPE_HPP
+#include <ndnboost/regex/v4/error_type.hpp>
+#endif
+#ifndef NDNBOOST_REGEX_TRAITS_DEFAULTS_HPP_INCLUDED
+#include <ndnboost/regex/v4/regex_traits_defaults.hpp>
+#endif
+#ifndef NDNBOOST_NO_STD_LOCALE
+#  ifndef NDNBOOST_CPP_REGEX_TRAITS_HPP_INCLUDED
+#     include <ndnboost/regex/v4/cpp_regex_traits.hpp>
+#  endif
+#endif
+#if !NDNBOOST_WORKAROUND(__BORLANDC__, < 0x560)
+#  ifndef NDNBOOST_C_REGEX_TRAITS_HPP_INCLUDED
+#     include <ndnboost/regex/v4/c_regex_traits.hpp>
+#  endif
+#endif
+#if defined(_WIN32) && !defined(NDNBOOST_REGEX_NO_W32)
+#  ifndef NDNBOOST_W32_REGEX_TRAITS_HPP_INCLUDED
+#     include <ndnboost/regex/v4/w32_regex_traits.hpp>
+#  endif
+#endif
+#ifndef NDNBOOST_REGEX_FWD_HPP_INCLUDED
+#include <ndnboost/regex_fwd.hpp>
+#endif
+
+#include "ndnboost/mpl/has_xxx.hpp"
+#include <ndnboost/static_assert.hpp>
+
+#ifdef NDNBOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable: 4103)
+#endif
+#ifdef NDNBOOST_HAS_ABI_HEADERS
+#  include NDNBOOST_ABI_PREFIX
+#endif
+#ifdef NDNBOOST_MSVC
+#pragma warning(pop)
+#endif
+
+namespace ndnboost{
+
+template <class charT, class implementationT >
+struct regex_traits : public implementationT
+{
+   regex_traits() : implementationT() {}
+};
+
+//
+// class regex_traits_wrapper.
+// this is what our implementation will actually store;
+// it provides default implementations of the "optional"
+// interfaces that we support, in addition to the
+// required "standard" ones:
+//
+namespace re_detail{
+#if !defined(NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !NDNBOOST_WORKAROUND(__HP_aCC, < 60000)
+NDNBOOST_MPL_HAS_XXX_TRAIT_DEF(boost_extensions_tag)
+#else
+template<class T>
+struct has_boost_extensions_tag
+{
+   NDNBOOST_STATIC_CONSTANT(bool, value = false);
+};
+#endif
+
+template <class BaseT>
+struct default_wrapper : public BaseT
+{
+   typedef typename BaseT::char_type char_type;
+   std::string error_string(::ndnboost::regex_constants::error_type e)const
+   {
+      return ::ndnboost::re_detail::get_default_error_string(e);
+   }
+   ::ndnboost::regex_constants::syntax_type syntax_type(char_type c)const
+   {
+      return ((c & 0x7f) == c) ? get_default_syntax_type(static_cast<char>(c)) : ::ndnboost::regex_constants::syntax_char;
+   }
+   ::ndnboost::regex_constants::escape_syntax_type escape_syntax_type(char_type c)const
+   {
+      return ((c & 0x7f) == c) ? get_default_escape_syntax_type(static_cast<char>(c)) : ::ndnboost::regex_constants::escape_type_identity;
+   }
+   int toi(const char_type*& p1, const char_type* p2, int radix)const
+   {
+      return ::ndnboost::re_detail::global_toi(p1, p2, radix, *this);
+   }
+   char_type translate(char_type c, bool icase)const
+   {
+      return (icase ? this->translate_nocase(c) : this->translate(c));
+   }
+   char_type translate(char_type c)const
+   {
+      return BaseT::translate(c);
+   }
+   char_type tolower(char_type c)const
+   {
+      return ::ndnboost::re_detail::global_lower(c);
+   }
+   char_type toupper(char_type c)const
+   {
+      return ::ndnboost::re_detail::global_upper(c);
+   }
+};
+
+template <class BaseT, bool has_extensions>
+struct compute_wrapper_base
+{
+   typedef BaseT type;
+};
+#if !defined(NDNBOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) && !NDNBOOST_WORKAROUND(__HP_aCC, < 60000)
+template <class BaseT>
+struct compute_wrapper_base<BaseT, false>
+{
+   typedef default_wrapper<BaseT> type;
+};
+#else
+template <>
+struct compute_wrapper_base<c_regex_traits<char>, false>
+{
+   typedef default_wrapper<c_regex_traits<char> > type;
+};
+#ifndef NDNBOOST_NO_WREGEX
+template <>
+struct compute_wrapper_base<c_regex_traits<wchar_t>, false>
+{
+   typedef default_wrapper<c_regex_traits<wchar_t> > type;
+};
+#endif
+#endif
+
+} // namespace re_detail
+
+template <class BaseT>
+struct regex_traits_wrapper 
+   : public ::ndnboost::re_detail::compute_wrapper_base<
+               BaseT, 
+               ::ndnboost::re_detail::has_boost_extensions_tag<BaseT>::value
+            >::type
+{
+   regex_traits_wrapper(){}
+private:
+   regex_traits_wrapper(const regex_traits_wrapper&);
+   regex_traits_wrapper& operator=(const regex_traits_wrapper&);
+};
+
+} // namespace ndnboost
+
+#ifdef NDNBOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable: 4103)
+#endif
+#ifdef NDNBOOST_HAS_ABI_HEADERS
+#  include NDNBOOST_ABI_SUFFIX
+#endif
+#ifdef NDNBOOST_MSVC
+#pragma warning(pop)
+#endif
+
+#endif // include
+