<?php

$regex = "@^[0-9A-ZĄąĆćĘęŁłÓóŻżŹźŃńŚś., -]{5,35}$@i";
echo preg_match($regex,"Żółkiewski")."\n";
echo preg_match($regex,"Zielona Góra")."\n";
echo preg_match($regex,"Równina")."\n";