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PHP code:
<?php
$mode="/q/";
$thing="qsqsqsdqqqsqsqqq";

if(preg_match($mode,$thing,$array)){
echo "Æ¥Åä³É¹¦£¡".$array[0];
echo "<hr>";
}else{
echo "Æ¥Åäʧ°Ü£¡";
}
?>



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preg_match -> preg_match_all


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