title: need info for preg_match_all
body: <blockquote>
  2, 19, 32, 43, 44, Str1. 1, 2 Str2. 2, 3
  </blockquote>
  <p>i wanna cut this string</p>
  <p>Part 1 : 2, 19,32, 43, 44<br />
  Part 2 : 1, 2<br />
  Part 3 : 2, 3<br /></p>
  <p>tanks for help.</p>