Method find_last_not_of

include/stringzilla/stringzilla.hpp:3273–3273

@brief Find the last occurrence of a character outside a @p `set`. */

    /** @brief Find the last occurrence of a character outside a @p `set`. */
    size_type find_last_not_of(byteset set) const noexcept { return view().find_last_not_of(set); }

    /**
     *  @brief Find the last occurrence of a character from a @p `set`.