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Link: http://codepad.org/ipDmYEBI    [ raw code | output | fork ]

PHP, pasted on Aug 13:
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<?php
$arr = array('1-1.jpg','1-2.jpg','11-3.jpg', '1-4.jpg', '3-5.jpg', '41-5.jpg','1-3.jpg','4-5.jpg','14-5.jpg','54-5.jpg','64-5.jpg','14-5.jpg', '1-5.jpg');

print_r(preg_grep('#^1-#', $arr));


Output:
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Array
(
    [0] => 1-1.jpg
    [1] => 1-2.jpg
    [3] => 1-4.jpg
    [6] => 1-3.jpg
    [12] => 1-5.jpg
)


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