title: sed replace regex correct syntax
body: <p><code>&lt;div data-name=&quot;abc&quot; data-location=&quot;abcd&quot;&gt;&lt;div&gt;Something&lt;/div&gt;&lt;/div&gt;</code></p>
  <pre><code>sed 's/data-name=&quot;*&quot;/data-name=&quot;helloworld&quot;/g' 
  </code></pre>
  <p>I am trying to replace <code>data-name=&quot;abc&quot;</code> <code>abc</code> to <code>helloworld</code></p>
  <p>However, my result returns</p>
  <p><code>data-name=&quot;helloworld&quot;helloworld&quot;abc&quot;</code></p>
  <p>I am expecting to be <code>data-name=&quot;helloworld&quot;</code></p>