--TEST-- Bug #38600 (infinite loop in pcre with extended class) --FILE-- <?php $foo = 'bla bla bla'; var_dump(preg_match('/(?<!\w)(0x[\p{N}]+[lL]?|[\p{Nd}]+(e[\p{Nd}]*)?[lLdDfF]?)(?!\w)/', $foo, $m)); var_dump($m); ?> --EXPECT-- int(0) array(0) { }