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<?php var_dump(preg_match('|^((http:|https:)?//(www\.)?arrivo\.ru|/[^/])(?!.*tury)(?!.*about)(?!.*advert).*$|', 'http://www.arrivo.ru/qwerty.html'));
Output for 4.3.11 - 7.2.0
Warning: preg_match(): Unknown modifier 'h' in /in/1sZeg on line 3 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'h' in /in/1sZeg on line 3 bool(false)