正则表达式难题！解决思路
日期：2014-05-16 浏览次数：20565 次
正则表达式难题！！！
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>
------解决方案--------------------
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>
------解决方案--------------------
- HTML code
<!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>
<script>
window.onload=function(){
var obj=document.body;
alert(obj.innerHTML.match(/<tr(?![^#]+<\/tr>)[#\s\S]*?<\/tr>/gim));
}
</script>
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