RegEx to get HTML attributes having no value
<p>For example I have HTML:</p>

<pre><code>&lt;html&gt;
    &lt;span href="" /&gt;
    &lt;span href="" noname /&gt;
    &lt;span noname /&gt;
    &lt;span="sss" /&gt;
&lt;/html&gt;
</code></pre>

<p>I want to find every attribute which haven't got <strong>=""</strong>. In this example it will be: <strong>"noname"</strong></p>

<p>My try was:</p>

<pre><code>&lt;[A-Za-z]+^={1}.*[A-Za-z]+^\=].*&gt;
</code></pre>

<p>But without success...</p>

<p>In this case, first attributes <strong>"span"</strong> are OK, so RegEx should not find it. Only these in middle of tag.</p>