title: How to join two regex?
body: <p>I have this two regex</p>
  
  <pre><code>/^[^+\x2f\s\x5c ]+$/ - don't accept slashes, + or white spaces
  
  /(?!^\d+$)^.+$/ - Don't be only numbers
  </code></pre>
  
  <p>I would like to join them in one. How can I join them?</p>