title: Find files containing text using grep command starts with file name charector
body: <p>I want find the file containing some text but that should start with some character. </p>
  
  <pre><code>grep -inr "my text" . 
  </code></pre>
  
  <p>The above command will show all the files containing the above text. But what I want is if the file contains a text and the name should starts with like E*.</p>