title: Correct preg_replace format
body: <p>What is the correct preg_replace format to replace everything (including the brackets) between (xxxxxx).  Example have string (not long) link this: AAAAABBBBB (AAAAABBBBB) and all I want is AAAAABBBBB.  I need to use preg_replace as the string and it's string length changes.</p>
  
  <p>Thanks</p>