string_constants.hh

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//
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/// @file    utility/string_constants.hh
/// @brief   Commonly used string constants.
/// @author  Labonte <JWLabonte@jhu.edu>


// C++ Header
#include <string>

namespace utility {

static std::string const UPPERCASE_LETTERS( "ABCDEFGHIJKLMNOPQRSTUVWXYZ" );
static std::string const LOWERCASE_LETTERS( "abcdefghijklmnopqrstuvwxyz" );
static std::string const LETTERS( UPPERCASE_LETTERS + LOWERCASE_LETTERS );

static std::string const NUMERALS( "0123456789" );

static std::string const UPPERCASE_ALPHANUMERICS( UPPERCASE_LETTERS + NUMERALS );
static std::string const LOWERCASE_ALPHANUMERICS( LOWERCASE_LETTERS + NUMERALS );
static std::string const ALPHANUMERICS( LETTERS + NUMERALS );

}  // namespace utility