$re = '/\/([^\/]+\.jpg)/';
$str = 'sfdb/asdjfj/abc.jpg
asdfj/asdfj/abd.gif
sfdb/asdjfj/abc.jpg
sfdb/asdjfj/abc-2.jpg
asdfjk/asdjf/asdf_?/sfdb/asdjfj/abc_12.jpg
asdfj/asdfj/abdasdfj';
preg_match_all($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