title: Need a regular expression to check if pattern match
body: <p>I need a regular expression which will check if the first 2 characters are 0x and next 4 characters will be Alphanumeric characters</p>
  <pre><code>Example:  0x13H3
  </code></pre>
  <p>It should exceed more that 6 characters.</p>
  <p>This seems to be not working <code>REGEXP_LIKE(string, '[0x]A-Z0-9')</code></p>
  <p>Can anyone please guide me ?</p>