Need help with regular expression

hi there, need help with constructing a regular expression that finds dl tags in content. So for example, looking for an expression to finds the following in content:


<dl>
<dt id="subject">subject</dt>
<dd>The subject coverage of the collection. See http://dublincore.org/groups/collections/collection-application-profile/#coldcsubject</dd>
<dt id="spatial">spatial</dt>
<dd></dd>
<dt id="temporal">temporal</dt>
<dd>Coverage of the collection in terms of historical time period. See http://dublincore.org/groups/collections/collection-application-profile/#coldctermstemporal</dd> ...