//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <regex>

// template <class charT> struct regex_traits;

// template <class ForwardIterator>
//   char_class_type
//   lookup_classname(ForwardIterator first, ForwardIterator last,
//                    bool icase = false) const;

#include <regex>

int main()
{
#error lookup_classname not implemented
}