Java正则表达式详解

package com.regular.test;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RegularTest {
    public static void main(String[] args) throws Exception {
        test();
    }
    
    public static void test() throws Exception{
        Pattern p, ln;
        Matcher m;

        String reg = "(?s)(.*?<%@[^>]*?page[^>]*?pageEncoding[^>=]*=[^>\"]*)(\"([^\"]*)\"[^>]*?%>)";
        p = Pattern.compile(reg);
        ln = Pattern.compile("\r\n?");
        m = p.matcher(getContent());
        int i = 1;
        while (m.find()) {
            i += getLnCount(m.group(1), ln);
            System.out.println( "line : " + i + ", content: " + m.group(3).trim());
            i += getLnCount(m.group(2), ln);
        } 
    }
    
    public static int getLnCount(String str, Pattern ln) {
        if(str==null) {