title: Regular expression to match up to 10 digits
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1032877/how-do-i-create-a-regular-expression-to-accept-not-more-than-10-digits">How do I create a regular expression to accept not more than 10 digits?</a>  </p>
  </blockquote>
  
  <p>I want a regular expression which will allow up to 10 digits in a user control having a text box. (ASP.net 3.5).</p>