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@ 2015-03-26T16:02:00Z

<?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
Performance
VLD
References
Branches

var_dump: documentation ( source)
preg_match_all: documentation ( source)

preferences:dark modelive preview

58.72 ms | 402 KiB | 5 Q