title: Delete annoying hashtags from a string using javascript regax
body: <p>How to delete the whole line if it all is hashtags using JavaScript regex, for example:</p>
  
  <pre><code>text #string
  #hashtag1 #hashtag2 #hashtag3
  </code></pre>
  
  <p>it will be:</p>
  
  <pre><code>text #string
  </code></pre>
  
  <p>Thank you for all answers</p>