Function escape_regexp_string

test-app/runtime/src/main/cpp/ada/ada.cpp:16670–16685

}  // namespace

std::string escape_regexp_string(std::string_view input) {
  // Assert: input is an ASCII string.
  ADA_ASSERT_TRUE(idna::is_ascii(input));
  // Let result be the empty string.
  std::string result{};
  result.reserve(input.size());
  for (const auto& c : input) {
    // TODO: Optimize this even further
    if (should_escape_regexp_char(c)) {
      result.append(std::string("\\") + c);
    } else {
      result.push_back(c);
    }
  }
  return result;
}

std::string process_base_url_string(std::string_view input,
                                    url_pattern_init::process_type type) {