正则匹配 替换指定内容为空 两个<a> 标签的内容为空

Question

<div class="app_desc_module"><a name="14703777742298980_start"></a><div style="position:relative;" class="desc"><img src="/hotpicture/Public/img/desc/2.JPG" class="descimg"><div id="disf" class="right_font dname"></div></div><a name="14703777742298980_end"></a></div><img src="https://img.alicdn.com/imgextra/i3/22077126/TB2sfCscXXXXXXgXXXXXXXXXXXX-22077126.png" class="edit_yinying"><img src="https://img.alicdn.com/imgextra/i3/22077126/TB2mKssqVXXXXXLXXXXXXXXXXXX-22077126.jpg" class=""><img src="https://img.alicdn.com/imgextra/i1/22077126/TB2tWfhnFXXXXb_XXXXXXXXXXXX-22077126.jpg">

Answer 1

$s =<<< TXT
<div class="app_desc_module"><a name="14703777742298980_start"></a><div style="position:relative;" class="desc"><img src="/hotpicture/Public/img/desc/2.JPG" class="descimg"><div id="disf" class="right_font dname"></div></div><a name="14703777742298980_end"></a></div><img src="https://img.alicdn.com/imgextra/i3/22077126/TB2sfCscXXXXXXgXXXXXXXXXXXX-22077126.png" class="edit_yinying"><img src="https://img.alicdn.com/imgextra/i3/22077126/TB2mKssqVXXXXXLXXXXXXXXXXXX-22077126.jpg" class=""><img src="https://img.alicdn.com/imgextra/i1/22077126/TB2tWfhnFXXXXb_XXXXXXXXXXXX-22077126.jpg">
TXT;
echo preg_replace('/<a[^>]*><\/a>/s', '', $s);<div class="app_desc_module"><div style="position:relative;" class="desc"><img src="/hotpicture/Public/img/desc/2.JPG" class="descimg"><div id="disf" class="right_font dname"></div></div></div><img src="https://img.alicdn.com/imgextra/i3/22077126/TB2sfCscXXXXXXgXXXXXXXXXXXX-22077126.png" class="edit_yinying"><img src="https://img.alicdn.com/imgextra/i3/22077126/TB2mKssqVXXXXXLXXXXXXXXXXXX-22077126.jpg" class=""><img src="https://img.alicdn.com/imgextra/i1/22077126/TB2tWfhnFXXXXb_XXXXXXXXXXXX-22077126.jpg">