求一正则表达式

]><v:shape id="_x0000_i1059"
 type="#_x0000_t75" style='width:66.75pt;height:33pt' o:ole="">
 <v:imagedata src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image055.wmz"
  o:title=""/>
</v:shape><![endif]--><![if !vml]><img width=89 height=44
src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image056.gif"
v:shapes="_x0000_i1059"><![endif]></span><!--[if gte mso 9]><xml>
 <o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1059"
  DrawAspect="Content" ObjectID="_1341174889">
 </o:OLEObject>
</xml><![endif]--></span>　（米）　　　　……………………<span lang=EN-US>6</span>分<span
lang=EN-US><o:p></o:p></span></span></p><p class=MsoNormal style='text-indent:21.0pt;mso-char-indent-count:2.0;
tab-stops:285.75pt'><span style='mso-bidi-font-size:10.5pt;font-family:宋体'>　　解法二：∵<span
lang=EN-US>tan</span>α＝<span lang=EN-US><span style='position:relative;
top:12.0pt;mso-text-raise:-12.0pt'><!--[if gte vml 1]><v:shape id="_x0000_i1060"
 type="#_x0000_t75" style='width:23.25pt;height:30.75pt' o:ole="">
 <v:imagedata src="file:///C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\msohtml1\01\clip_image057.wmz"
  o:title=""/>
</v:shape>求取：<v:shape　.......　/v:shape> 之间的内容