$re = '/<BR><B>(.*)<\/B>|= ([\w\s]+?|)$|= ([\w\s]+?|)/Uum';
$str = 'Unknown Area Type<BR><BR><B>NAME</B> = Корочанский район<BR><B>FEATUREID</B> = 11<BR><B>Desc</B> = <BR><B>Kultura</B> = sssssss
Unknown Area Type<BR><BR><B>NAME</B> = Корочанский район<BR><B>NAME</B> = Корочанский район<BR><B>FEATUREID</B> = 11<BR><B>Kultura</B> = <BR><B>Kul</B> = zzzzzzzzz dstset
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php