#pragma once #include class StringUtils { public: static constexpr char LEFT_BRACKET = '<'; static constexpr char RIGHT_BRACKET = '>'; static constexpr char FORWARD_SLASH = '/'; static constexpr char BACK_SLASH = '\\'; static constexpr char QUESTION_MARK = '?'; static constexpr char EQUALS = '='; static constexpr char DOUBLE_QUOTE = '"'; static constexpr char SINGLE_QUOTE = '\''; static bool IsAlphaNumeric(char c); static bool IsSpace(char c); static std::string ToLower(const std::string& s); };