如何获取一段html中包含特定字符的某个标签对!如:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD> <BODY>
<TABLE>
<TR>
<TD>asdf</TD>
<TD>asdf</TD>
</TR>
<TR>
<TD>#asdf</TD>
<TD>asdf</TD>
</TR>
<TR>
<TD>sdf</TD>
<TD>asdf</TD>
</TR>
<TR>
<TD>sdf</TD>
<TD>asdf</TD>
</TR>
</TABLE>
</BODY>
</HTML>我要获取
<TR>
<TD>#asdf</TD>
<TD>asdf</TD>
</TR>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD> <BODY>
<TABLE>
<TR>
<TD>asdf</TD>
<TD>asdf</TD>
</TR>
<TR>
<TD>#asdf</TD>
<TD>asdf</TD>
</TR>
<TR>
<TD>sdf</TD>
<TD>asdf</TD>
</TR>
<TR>
<TD>sdf</TD>
<TD>asdf</TD>
</TR>
</TABLE>
</BODY>
</HTML>我要获取
<TR>
<TD>#asdf</TD>
<TD>asdf</TD>
</TR>
如:
<TR class="asdf" style="aaaaa">
你写<tr>我也写<tr>,其实好像应该是<td>
asdf#asdf</TD>这样的就查不到了,而且我就想要TR
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME= "Generator " CONTENT= "EditPlus ">
<META NAME= "Author " CONTENT= " ">
<META NAME= "Keywords " CONTENT= " ">
<META NAME= "Description " CONTENT= " ">
</HEAD> <BODY>
<TABLE>
<TR>
<TD> asdf </TD>
<TD> asdf </TD>
</TR>
<TR>
<TD> #asdf </TD>
<TD> asdf </TD>
</TR>
<TR>
<TD> sdf </TD>
<TD> asdf </TD>
</TR>
<TR>
<TD> sdf </TD>
<TD> asdf </TD>
</TR>
</TABLE>
</BODY>
</HTML> <script>
window.onload=function(){
var obj=document.body;
alert(obj.innerHTML.match(/<tr(?![^#]+<\/tr>)[#\s\S]*?<\/tr>/gim));
}
</script>