title: issue with mobile validation in cake php
body: <p>1.Need 10 digit mobile No(working)</p>
  
  <p>2.Can be start 0-9(working)</p>
  
  <p><strong>3.not more then 10 digit(not working->that required not working it's take also more than 10 digit like exp 11, 12 digit and more also )</strong></p>
  
  <p>for that i have implement that rule</p>
  
  <pre><code>'mobile_no' =&gt;array(
  'rule'=&gt;array('custom','/([0-9]{1}[0-9]{9})/'),
  'allowEmpty'=&gt;false, 
  'message'=&gt;'Invalid mobile number! mobile number format: eg 0755434434'
   ),
  </code></pre>
  
  <p>so i want to know where is problem in my code related to 3rd point</p>
  
  <p>thanks in adv</p>