$str = "<img src='aaa.jpg'> <img src='bbb.jpg'> <img src='ccc.jpg'>";
$pat = '/<img[^>]+src=["\']?([^>"\']+)["\']?[^>]*>/i';
preg_match_all($pat, $str, $matches);
echo "<pre>";
print_r($matches);
echo "</pre>";
결과값 :
Array
(
[0] => Array
(
[0] => 
[1] => 
[2] => 
)
[1] => Array
(
[0] => aaa.jpg
[1] => bbb.jpg
[2] => ccc.jpg
)
)
