正则表达式与替换

[JavaBS]

在一个文本中有如下代码
<a href="abc.do?id=1">
<a href="aaaa.do?id=12">
<a href="121.do?id=13">
<a href="4546.do?id=14">
<a href="a123.do?id=11">
......

如何这个文本中所有的链接换成
<a href="abc.do?id=1.html">
<a href="aaaa.do?id=12.html">
<a href="121.do?id=13.html">
<a href="4546.do?id=14.html">
<a href="a123.do?id=11.html">

....

也就是说把链接全部加个.html结尾

[bigbug9002]

mport java.util.regex.*; 

public class test{ 
    public static void main(String args[]) {
    	String str="<a href=\"abc.do?id=1\">\n"
    	          +"<a href=\"aaaa.do?id=12\">\n"
    	          +"<a href=\"121.do?id=13\">\n"
    	          +"<a href=\"4546.do?id=14\">\n"
    	          +"<a href=\"a123.do?id=11\">"; 

    	String regex="(?im)(?<=[\\?]id=)(\\d+)";
    	
    	str=str.replaceAll(regex,"$1.html");
    	System.out.println(str);
    }
}

F:\java>java test
<a href="abc.do?id=1.html">
<a href="aaaa.do?id=12.html">
<a href="121.do?id=13.html">
<a href="4546.do?id=14.html">
<a href="a123.do?id=11.html">

[十分钟年华老去]

String[] ss ={
				"<a href=\"abc.do?id=1\">",
				"<a href=\"aaaa.do?id=12\">",
				"<a href=\"121.do?id=13\">",
				"<a href=\"4546.do?id=14\">",
				"<a href=\"a123.do?id=11\">" 
		};
		Pattern pattern = Pattern.compile("(<a href=\"\\w+\\.do\\?id=\\d+){0}(\">)");
		
		for(int i=0;i<ss.length;i++){
			Matcher matcher = pattern.matcher(ss[i]);
			ss[i]=matcher.replaceAll(".html\">");
			System.out.println(ss[i]);
		}

[JavaBS]

<li><a href="ViewDmwsjxx-in.do?id=76&mcname=花田家"><img src="1.gif"/></a></li> <li><a href="ViewDmwsjxx-in.do?id=14&mcname=町町美食餐厅"><img src="2.gif"/></a></li> <li><a href="ViewDmwsjxx-in.do?id=26&mcname=果之语"><img src="4.gif"/></a></li>

<li><a href="ViewDmwsjxx-in.do?id=89&mcname=野妹火锅"><img src="UserFiles/1.gif"/></a>
</li>
<li><a href="ViewDmwsjxx-in.do?id=75&mcname=巴山小馆"><img src="2.gif"/></a></li>

如果我想将这转呢
我是这样写的，但转不出来，麻烦帮下手看下

bufferString=bufferString.replaceAll("<a\\s+href\\s*=\\s*\"?(.*?)[\"|>]","$1.html");
转出来的结果是 <a href="">都没了 是哪里错了呀

[closewbq]

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Test {
	public static void main(String args[]) {
		String[] array = { "<a href=\"abc.do?id=1\">",
				"<a href=\"aaaa.do?id=12\">", "<a href=\"121.do?id=13\">",
				"<a href=\"4546.do?id=14\">", "<a href=\"a123.do?id=11\">" };
		Pattern pattern = Pattern.compile("(?<=id=)(\\d+)");
		for (String str: array) {
			Matcher matcher = pattern.matcher(str);
			if(matcher.find()){
			System.out.println(matcher.replaceFirst(matcher.group(1)+".html"));
			}
		}
	}
}

[JavaBS]

解决了，多谢，不知楼上的高手能解释下吗
本人是一个菜鸟！

[closewbq]

import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Test {
	public static void main(String args[]) {
		String[] array ={ 
				"<a href=\"ViewDmwsjxx-in.do?id=76&mcname=花田家\">",
				"<a href=\"ViewDmwsjxx-in.do?id=14&mcname=町町美食餐厅\">",
				"<a href=\"ViewDmwsjxx-in.do?id=89&mcname=野妹火锅\">",
				"<a href=\"ViewDmwsjxx-in.do?id=75&mcname=巴山小馆\">"};
		Pattern pattern = Pattern.compile("(?<=id=)(\\d+)");
		for (String str: array) {
			Matcher matcher = pattern.matcher(str);
			if(matcher.find()){
			System.out.println(matcher.replaceFirst(matcher.group(1)+".html"));
			}
		}
	}
}

[xinyung]

str.replace(/(id=\d+)/mg, "$1.html");