ini_set('pcre.backtrack_limit', 8000000);
$page = file_get_contents("http://region.ru/raskrytie-informatsii/region-development/upravlyayushchaya-kompaniya/");
preg_match('~<div class="rasschetSredstv">(.*)</div>~sU', $page, $div);
$regex = '~<td>.*?href="(?P<URL>.*)".*(?P<DATE>15.03.\d\d\d\d).*</td>~sU';
preg_match($regex, $div[1], $matches);
print_r($matches);