Function to_lowercase2

RedEdrShared/utils.cpp:84–89

}

std::string to_lowercase2(const std::string& str) {
    std::string lower_str = str;
    std::transform(lower_str.begin(), lower_str.end(), lower_str.begin(),
                   [](unsigned char c){ return std::tolower(c); });
    return lower_str;
}


void remove_all_occurrences_case_insensitive(std::string& str, const std::string& to_remove) {