title: 24 hour time regex for HTML 5
body: <p>Wanted to Inquire about the possible Regex expression for 24-hour time format in HTML 5 (HH:MM) . </p>
  
  <p><strong>if possible, kindly tell the regex that can be used in the Pattern attribute of HTML 5</strong> </p>
  
  <p>The time is expected to be in 24-hour format (HH not more than 23).</p>
  
  <p>Kind regards,</p>