Method rfind

include/stringzilla/stringzilla.hpp:2164–2167

* @brief Find the last occurrence of a substring. * @return The offset of the first character of the match, or `npos` if not found. */

     *  @return The offset of the first character of the match, or `npos` if not found.
     */
    size_type rfind(string_view other) const noexcept {
        auto ptr = sz_rfind(start_, length_, other.data(), other.size());
        return ptr ? ptr - start_ : npos;
    }

    /**
     *  @brief Find the last occurrence of a substring, within first `until` characters.