正则问题……求解答
<div id="gameListItem-1" style="display: block;" class="gameListItem">
                <table width="650" cellpadding="2" cellspacing="1" class="tableBack">
                    <tr class="titleBack">
                        <td>期号</td>
                        <td>开奖号码</td>
                        <td>开奖时间</td>
                    </tr>
                
                    <tr class="dataBack1">
                        <td>207345</td>
                        <td>09,08,06,02,03,10,04,07,05,01</td>
                        <td>2010-12-14 15:12</td>
                    </tr>
                
                    <tr class="dataBack2">
                        <td>207344</td>
                        <td>07,08,01,02,10,09,06,04,05,03</td>
                        <td>2010-12-14 15:07</td>
                    </tr>
                    
                        <tr class="dataBack2">
                        <td>541931</td>
                        <td>01,02,03,07,13,23,27,28,31,34,38,45,49,57,62,70,71,74,75,76</td>