$re = '/^[@#](?=.{7,13}$)(?=\w{7,13})(?=[^aeiou_]{7,13})(?=.*[A-Z])(?=.*\d)/m';
$str = '@abgWds1
[rth521q
#mKK51d7
@WW65
@Ssgw_32
#kTl45e7
#kTl45z7
#kTlfvcr
#fg48Ehs
@rt51gwq
#456wrWE
#456wrW
#456w!!E
@fz6P$ww
@qz6P$wwazvbbneeeeeeeeeeeeeeeeeeeeee
@qz6PSwwszvbbn
@qz6PSwwszvbbneee';
preg_match_all($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