1.分别是替换a标签为空

<a([^>]*)>[|]

</a>[|]

2.替换script

<script([^>]*)>(.*)</script>[|]

3.替换div

<div([^>]*)>[|]
</div>[|]

4.替换P标签

<p([^>]*)>[|]

</p>[|]

5.替换iframe

<iframe([^>]*)>(.*)</iframe>[|]

6. 标签

<object([^>]*)>(.*)</object>[|]
<embed([^>]*)>(.*)</embed>[|]
<param([^>]*)>(.*)</param>[|]

7.注释

<!--([^>]*)-->[|]