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Compilation failed: syntax error in subpattern name (missing terminator) at offset 46 PHP code:
$str = "<div class='a'><div>cc</div>a<span>ab</span>c<div class='b'>xxxy</div></div>";
preg_match_all("#((?'open'<div[^>]*>)((?:.(?!</?div))*.)*?)((?'-open'</div[^>]*>)((?:.(?!</?div))*.)*?)#is",$str,$matches);
print_r($matches);


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