java后台如何利用Pattern提取所需字符详解

String str = "{abc<icon>{def:</icon>}deftfh<icon>a</icon>}";
Pattern p=Pattern.compile("<icon>\\{(\\w+)\\:</icon>");
Matcher m=p2.matcher(str2);
        while(m.find()){
            System.out.println(m.group(1));
            }

String str = "\"EquipmentID\":\"SSC_FZ_DQ#MJ23JZ_FZ_CZ_CZGX#YL#SBBM\",";
Pattern p=Pattern.compile("\"EquipmentID\":\"(\\w+)\",");
Matcher m=p2.matcher(str2);
        while(m.find()){
            System.out.println(m.group(1));
            }

public class Copyoracle2Mysql1 {
    
    private final String DEST_mysql_JDBC_URL = ;
    private final String SOURCE_JDBC_URL = "";
    private final String SOURCE_JDBC_USER = "";
    private final String SOURCE_JDBC_PASSWord = "";

    public void startImport() throws Exception {
        // 创建到两个数据库的连接
        Class.forName("com.mysql.jdbc.Driver");
        //Class.forName("oracle.jdbc.driver.OracleDriver");

        Connection connDest = DriverManager.getConnection(DEST_MYSQL_JDBC_URL);
        //Connection connSource = DriverManager.getConnection(SOURCE_JDBC_URL, SOURCE_JDBC_USER, SOURCE_JDBC_PASSWORD);

        try {

            // 人工输入各表名（需要保证顺序，以确保有外键的表在主表之后插入数据）
            importTable(connDest, "APP_WGADDATA","Qtsc_jk_scjkzttxx");

        } finally {
            // 自动关闭数据库资源
            connDest.close();
            //connSource.close();
        }
    }

    private void importTable(Connection connDest, String oracleTableName,String mysqlTableName) throws Exception {

        Statement stmt = null;

        try {

            stmt = connDest.createStatement();
            String mysqlSql = "select ZTTNR from qtsc_jk_scjkzttxx qjs where qjs.ZTTID  = '0284fcbdcdbd4da3bdef78ed769515c6'";
            String mysqlSql1 = "select ZTTNR from qtsc_jk_scjkzttxx";
            ResultSet rs = stmt.executeQuery(mysqlSql1);

            Map<String, String> sbbmMap = new HashMap();
            while(rs.next()){
                String zttnr = rs.getString(1);
                //System.out.println(zttnr);
                Pattern p = Pattern.compile("\"EquipmentID\":\"(.*)\",\"UnitName\"");
                Matcher m=p.matcher(zttnr);
                while(m.find()){
                    System.out.println(m.group(1));

                }
                //System.out.println(sbbmMap);
            }

            // 先计算目标数据库的PreparedStatement的SQL语句z
            ResultSetMetaData rsmd = rs.getMetaData();

            rs.close();
        }catch (Exception e){

            e.printStackTrace();
        }
        finally {
            if(stmt != null) {
                stmt.close();
            }
        }
    }

    public static void main(String[] args) throws Exception {
        CopyOracle2MySQL1 ins = new CopyOracle2MySQL1();
        ins.startImport();
    }

        String str = "你好呀(嘻嘻)";
        Pattern p = Pattern.compile("\\(([^\\)]+)");
        Matcher matcher = p.matcher(str);
        if (matcher.find() && matcher.groupCount() >= 1){
            System.out.println(matcher.group(1));
        }

        String str = "你好呀(嘻嘻)";
        String xixi = str.substring(str.indexOf("(") + 1, str.indexOf(")"));
        System.out.println(xixi);