title: regex to validate phone number jquery
body: <p>I would like to add a mobile validation along with existing validation to my mobile number field.</p>
  
  <p>The validation I want is </p>
  
  <ul>
  <li>the numbers 8 and 9 must not be repeated consecutively 10 times in the mobile number.Eg: <code>8888888888</code></li>
  </ul>
  
  <p>The existing validation includes the digits 7,8, OR 9 as the starting number and remaining any numbers between (0-9).</p>
  
  <p>My existing regex code : <code>/^[7-9]{1}[0-9]{9}$/</code>.</p>
  
  <p>Please help me out to find a solution.</p>