title: javascript regex for at least x numeric characters
body: <p>a regex to show that there are at least 10 numeric characters in a string.</p>
  
  <p>There can be more than 10, but not less.
  There can be any number of other characters in at random places, separating the numbers.</p>
  
  <p>Example Data:</p>
  
  <pre><code>(123) 456-7890
  123-456-7890 ext 41
  1234567890
  etc.
  </code></pre>