PHP: Get all lines containing specific text -

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i'm trying parse source code website goes like

   <html>     ...     ...     ...     <div class="menu_body">     <a href="url" onclick="_gaq.push([parameters]);location.href=this.href+'?channelid=287&date='+dateofmonth;return false;"> <img src="img"></a>     <a href="url"><img src="img"></a>     <a href="url"><img src="img"></a>     </div>     ...     ...     <div class="menu_body">     <a href="url"><img src="img></a>     <a href="url"><img src="img"></a>     <a href="url"><img src="img"></a>     </div>     ...     ...     ...     </html>

what want if possible grep out lines contains channelid, not sure if it's possible?

sounds want sort of html parser 

http://simplehtmldom.sourceforge.net/    <-- php http://htmlparser.sourceforge.net/         <--- java

/** @see robust , mature html parser php */


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