my $re = qr/<a[^>]*                   # an anchor tag
  href=                     # the Href in the anchor
  (["'])((?:(?!\1).)*)\1    # the value in the href
  [^>]*>                    # anything to the end of the anchor
  [^<>]*                    # the content in the anchor tag
  <\/a>                     # the end of the anchor
  (?:\s|<[^>]*>)+           # any whitespace or html tags
  (\d{9})                   # the 9 digit number
 /isxm;

my $string = do{local $/; <DATA>};
 
while($string =~ m/$re/g){
	my $href = $2;
	my $number = $3;
	print "$number - $href\n";
}

__DATA__
            <a name="a"></a>
            <h2>A</h2>
            <table border="0" cellpadding="0" cellspacing="0" width="1
+00%">
               <tr>
                  <td>
                     <table id="a" border="1" bordercolor="#333366" cellpadding="5" cellspacing="0" width="100%">
                        <tr>
                           <td width="33%" class="clsTableBody" valign="top" id="firstCol"><a href="pdf\c76b834e-36e1-497b-b13e-eba2348dc044.pdf" target="_blank">Abbott, Evelyn</a><br/><span>110136892</span><br/><a href="pdf\8a956f66-1c60-48fc-905c-b49d617aa6c5.pdf" target="_blank">Agnew, Thomas</a><br/><span>110377660</span><br/></td>
                           <td width="34%" class="clsTableBodyClear" valign="top" id="secondCol"><a href="pdf\37d3e78b-1adb-458b-9e89-0df780909f08.pdf" target="_blank">Allison, David</a><br/><span>108116112</span><br/><a href="pdf\6c0a5bb4-143d-4305-957b-796c8193d07a.pdf" target="_blank">Allison, Gary Owen</a><br/><span>116815754</span><br/></td>
                           <td width="33%" class="clsTableBody" valign="top" id="thirdCol"><a href="pdf\ae8d51e0-005b-44be-84cb-3c9b57335755.pdf" target="_blank">Arsenault, Michael</a><br/><span>108318866</span><br/><a href="pdf\e646f948-f78d-4463-a01d-0261aebf70dc.pdf" target="_blank">Arsenault, Normand A.</a><br/><span>113069066</span><br/></td>
                        </tr>
                     </table>
                  </td>
               </tr>
            </table>