title: Replace  Comma(,) with Dot(.) RegEx php
body: <p>i am trying this code but i get this error: <code>No ending delimiter '/' found</code> </p>
  
  <pre><code>$form = " 2000,50";
  $salary = preg_replace('/',', '.'/', $form); // No ending delimiter '/' found 
  echo $salary;
  </code></pre>
  
  <p>I am not sure about the regex validation.</p>