title: Regular expression to match only time value from string in javascript
body: <p>I am having date string in following form <code>x.toLocaleString().toLowerCase()
  "fri apr 21 2017 19:18:21 gmt+0530 (india standard time)"</code> want to extract only <code>19:18:21</code>  .How do extract these value only from whole string using javascript regular expression.</p>