JavaScript 截取字符串

<script>
strHTML= " <table> </table> 323232fdfffdsfsdf <table   border=0   cellpadding=0   cellspacing=0   id=Tbs   rules=rows> 然后里面有好多的   tr   td   最后是 </table> fhdsfhjdsflsdfjdslflfdsfl <table> <fdfhfd </table> "
var   r=strHTML.match(/ <table\s*border=0\s*cellpadding=0\s*cellspacing=0\s*id=Tbs.*? <\/table> /gi)
alert(r)
</script>