PHP 正则匹配

PHP 正则匹配 在线等
如 匹配这个input 中的 value

HTML code

<!--

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<input type="text" class="shareIpt j-copyipt" value="xxxxxxxxxxxxxxxxxxxxxxx">

------解决方案--------------------
'/------解决方案--------------------

PHP code

[User:root Time:14:58:15 Path:/home/liangdong/php]$ cat preg.php 
<?php $str = <<<EOF
<input type="text" class="shareIpt j-copyipt" value="xxxxxxxxxxxxxxxxxxxxxxx">
EOF;
$nmatches = preg_match('/class="shareIpt j-copyipt" value="(.*)"/iUs', $str, $matches);
echo $matches[1] . PHP_EOL;
?>
[User:root Time:14:58:16 Path:/home/liangdong/php]$ php preg.php 
xxxxxxxxxxxxxxxxxxxxxxx <div class="clear">
                 
              
              
        
            </div>