java正则匹配

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.InputStreamReader;

import java.util.HashSet;

import java.util.Set;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class PraseSort0htm {

    public static void main(String[] args) {

        String regEx = "[\u4E00-\u9FA5]{1,}[@#]{1,}/Sort-0-[0-9]{1,}.htm"; // 正确匹配中文

        String str = "奇异果@#/Sort-0-012345.htm,橙子@#/Sort-0-012345.htm,苹果@#/Sort-0-012345.htm,热带水果@#/Sort-0-012345.htm,";

        Pattern pat = Pattern.compile(regEx);

        Matcher mat = pat.matcher(str);

        while (mat.find()) {

            System.out.println(mat.group(0));

        }

        System.out.println("xxxxxxxxxxxxxxxxx");

        String filePath = "d:/xxxx.txt";

        readTxtFile(filePath);

    }

    public static void readTxtFile(String filePath) {

        try {

            Set<String> idSet = new HashSet<String>();

            Set<String> nameSet = new HashSet<String>();

            String regEx = "[\u4E00-\u9FA5]{1,}[@#]{1,}/Sort-0-[0-9]{1,}.htm"; // 正确匹配

            String regEx2 = "[0-9]{2,}";

            String regEx3 = "[\u4E00-\u9FA5]{1,}";

            Pattern pat = Pattern.compile(regEx);

            Pattern pat2 = Pattern.compile(regEx2);

            Pattern pat3 = Pattern.compile(regEx3);

            String encoding = "gbk";

            File file = new File(filePath);

            if (file.isFile() && file.exists()) { // 判断文件是否存在

                InputStreamReader read = new InputStreamReader(new FileInputStream(file), encoding);// 考虑到编码格式

                BufferedReader bufferedReader = new BufferedReader(read);

                String lineTxt = null;

                int i = 1;

                while ((lineTxt = bufferedReader.readLine()) != null) {

                    // System.out.println(lineTxt);

                    Matcher mat = pat.matcher(lineTxt);

                    while (mat.find()) {

                        // System.out.println(mat.group(0));//验证可以打印成功

                        String temp = mat.group(0);

                        Matcher mat2 = pat2.matcher(temp);

                        String id = "";

                        while (mat2.find()) {

                            id = mat2.group(0);

                        }

                        if (idSet.add(id)) {

                            System.out.print(id);

                        } else {

                            break;

                        }

                        System.out.print("\t");

                        Matcher mat3 = pat3.matcher(temp);

                        while (mat3.find()) {

                            System.out.print(mat3.group(0));

                        }

                        System.out.print("\n");

                        i++;

                    }

                }

                // System.out.println(i);

                read.close();

            } else {

                System.out.println("找不到指定的文件");

            }

        } catch (Exception e) {

            System.out.println("读取文件内容出错");

            e.printStackTrace();

        }

    }

}