站長資訊網(wǎng) 如：
字符串<div style=”float:left” id=”ab”>123213</div><div class=”a123″>21314423</div>
不匹配<div class=”a123″>……</div>的內(nèi)容
寫這個例子可以用
<[a-zA-Z0-9][^>]+?id=[^>]+?>.*?</div>
匹配
上一個php例子：
復(fù)制代碼 代碼如下:
<?php
$str = ‘<div style=”float:left” id=”ab”>123213</div><div class=”a123″>213123</div>’;
$search = ‘#<[a-zA-Z0-9][^>]+?id=[^>]+?>.*?</div>#is’;
preg_match_all($search,$str,$r);
echo ‘<pre>’;
print_r($r);
echo ‘</pre>’;
?>
$str = ‘<div style=”float:left” id=”ab”>123213</div><div class=”a123″>213123</div>’;
$search = ‘#<[a-zA-Z0-9][^>]+?id=[^>]+?>.*?</div>#is’;
preg_match_all($search,$str,$r);
echo ‘<pre>’;
print_r($r);
echo ‘</pre>’;
?>
本例子輸出
復(fù)制代碼 代碼如下:
Array
(
[0] => Array
(
[0] => <div style=”float:left” id=”ab”>123213</div>
)
)
(
[0] => Array
(
[0] => <div style=”float:left” id=”ab”>123213</div>
)
)
