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// Copyright (c) 2017 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAOCPP_PEGTL_INCLUDE_INTERNAL_IDENTIFIER_HPP
#define TAOCPP_PEGTL_INCLUDE_INTERNAL_IDENTIFIER_HPP
#include "../config.hpp"
#include "peek_char.hpp"
#include "ranges.hpp"
#include "seq.hpp"
#include "star.hpp"
namespace tao
{
namespace TAOCPP_PEGTL_NAMESPACE
{
namespace internal
{
using identifier_first = ranges< peek_char, 'a', 'z', 'A', 'Z', '_' >;
using identifier_other = ranges< peek_char, 'a', 'z', 'A', 'Z', '0', '9', '_' >;
using identifier = seq< identifier_first, star< identifier_other > >;
} // namespace internal
} // namespace TAOCPP_PEGTL_NAMESPACE
} // namespace tao
#endif
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