title: Remove double quotes from first line for all files in notepad++
body: <p>I have 50 files in which column headers surrounded in double quotes on the first line. I want to remove the double quotes " from the first line for every file.</p>
  
  <p>Can the changes be done in regular expression ??</p>
  
  <p>Sample data.</p>
  
  <pre><code>"PRODUCTID","ATTRIBUTENAME_VALUE","STATE"
  "00300678116042","NOT_APPLICABLE","CONFIRMED"
  "00041260363603","NOT_APPLICABLE","CONFIRMED"
  </code></pre>
  
  <p>Expected output</p>
  
  <pre><code>PRODUCTID,ATTRIBUTENAME_VALUE,STATE
  "00300678116042","NOT_APPLICABLE","CONFIRMED"
  "00041260363603","NOT_APPLICABLE","CONFIRMED"
  </code></pre>