How can i find img src value from a Text with asp.net? : <p>I have a html text like that:</p>

<pre><code>string htmltext="&lt;p style="text-align: left;" align="center"&gt;&lt;img src="../image/1.jpg" alt="" width="310" height="162" /&gt;&lt;/p&gt;";
</code></pre>

<p>And i want to find only src value (../image/1.jpg) from this string. 
help me please.</p>
