用正则表达式提取网页中的特定内容。。高分
下面这代码怎么提取内容为:
昨收盘 8.280
今开盘 8.260
涨跌额 +0.060
最低价 8.200
最高价 8.340
涨跌幅 +0.72%
<TR bgColor=#ffffe0>
<TD class=pdLeft5b height=19><A
href="http://finance.sina.com.cn/roll/20040709/1848861925.shtml"
target=_blank>昨收盘</A></TD>
<TD class=pdLeft5b id=itemPrevious>0.000</TD></TR>
<TR bgColor=#999999>
<TD height=1></TD>
<TD></TD></TR>
<TR bgColor=#ffffff>
<TD height=1></TD>
<TD></TD></TR>
<TR bgColor=#ffffe0>
<TD class=pdLeft5b height=19><A
href="http://finance.sina.com.cn/roll/20040709/1846861924.shtml"
target=_blank>今开盘</A></TD>
<TD class=pdLeft5b id=itemOpen>0.000</TD></TR>
<TR bgColor=#999999>
<TD height=1></TD>
<TD></TD></TR>
<TR>
<TD class=pdLeft5b height=19><A
href="http://finance.sina.com.cn/roll/20040716/1430875772.shtml"
target=_blank>涨跌额</A></TD>
<TD class=pdLeft5b id=itemDiffamount>0.000</TD></TR>
<TR>
<TD class=pdLeft5b height=19><A
href="http://finance.sina.com.cn/roll/20040716/1433875777.shtml"
target=_blank>最低价</A></TD>
<TD class=pdLeft5b id=itemLow>0.000</TD></TR>
<TR>
<TD class=pdLeft5b height=19><A
href="http://finance.sina.com.cn/roll/20040716/1432875775.shtml"
target=_blank>最高价</A></TD>
<TD class=pdLeft5b id=itemHigh>0.000</TD></TR>
<TR>
<TD class=pdLeft5b height=19><A
href="http://finance.sina.com.cn/roll/20040716/1431875774.shtml"
target=_blank>涨跌幅</A></TD>
<TD class=pdLeft5b
id=itemDiffpercent2>0.000</TD></TR>
换行要不要考虑回车的啊。。。郁闷的啊