<?php var_dump(preg_match('/a/u', " ", $m, 0, 1)); var_dump(preg_last_error_msg()); var_dump(preg_match('/(?:\D+|<\d+>)*[!?]/', "foobar foobar foobar", $m, 0, 1)); var_dump(preg_last_error_msg());
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