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<?php $regex = '/\$([\w|\d]*="[\\\w|\d]*)";/'; $string = '$x15e="\141\162\162a\x79\x5f\162e\x76\145r\x73\x65"; $x15e="\141\162\162a\x79\x5f\162e\x76\145r\x73\x65";'; preg_match_all($regex, $string, $matches); foreach ($matches as $match) { var_dump($match); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(0) { } array(0) { }

preferences:
256.92 ms | 406 KiB | 327 Q