title: JavaScript RegExp not working in IE11 and working in Chrome
body: <p>I have created the following <code>RegExp</code> object:</p>
  
  <pre><code>RegExp(/_if|_elseif|_else|_while|_store/, "g")
  </code></pre>
  
  <p>I need to match either of the pipe delim strings. The above method works in chrome. But the IE11 throws error saying some syntax error.</p>