java String中提取车牌号

import java.util.regex.Matcher;
import java.util.regex.Pattern;    
public static void main(String[] args) {

        String text = "车辆违章车辆号码湘DBM5226获取cookie失败，车辆违章车辆号码粤DAM5226获取cookie失败";
        String regex = "[\u4e00-\u9fa5]{1}[A-Z]{1}[A-Z0-9]{4,}";
        // 正则表达式匹配车牌号码
        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(text);
        StringBuilder result = new StringBuilder();
        while (matcher.find()) {
            if (result.length() > 0) {
                result.append(",");
            }
            result.append(matcher.group());
        }
        System.out.println("提取的车牌号码：" + result.toString());
    }