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<?php
preg_match_all("/^(a*a*)*$/", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab", $m);
print_r($m);
?>

Success #stdin #stdout 0.02s 13112KB

stdin

Standard input is empty

stdout

Array
(
    [0] => Array
        (
        )

    [1] => Array
        (
        )

)

https://ideone.com/V3v4K

language:

PHP (php 7.3.5)

created:

visibility:

public

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