title: How to remove special character from string in python if string contains script other than english
body: <p>I have a string which contains both English and Arabic and now I need to remove special characters.</p>
  
  <p>I know there exist a regex solution:</p>
  
  <pre><code>re.sub('[^A-Za-z0-9]+', '', mystring)
  </code></pre>
  
  <p>but this regex is also removing Arabic letters from the string.</p>