title: Mobile number validator in asp.net
body: <p>I have a textbox that use <code>RegularExpressionValidator</code> by this ValidationExpression :</p>
  
  <pre><code>(0|\+98)?([ ]|,|-|[()]){0,2}9[0-4]([ ]|,|-|[()]){0,2}(?:[0-9]([ ]|,|-|[()]){0,2}){8}
  </code></pre>
  
  <p>So this isn't useful for <code>09012223344</code></p>
  
  <p>Please help me!</p>