title: RegularExpression for decimal number
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/968825/regular-expression-for-decimal-number">Regular expression for decimal number</a>  </p>
  </blockquote>
  
  
  
  <p>The column of my table having numeric(18,3) datatype.So I created the validation 
  Expression like this Exp: <code>"^\d+([\.][0-9]{0,3})?$"</code> .Is it right?I want user to enter only number not character.</p>
  
  <p>Either </p>
  
  <pre><code>1
  1.0
  1.12
  1.123
  11.23
  123.123 
  </code></pre>