Java正则表达式获取欧元、人民币

1.题目

2.解析

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RetrieveMoney {

    public static void main(String[] args) {
        String[] strs = new String[]{"EUR 1.409,00","€ 409,05","￥ 409.50","CNY 1,000"};
        for (String s : strs) {
            transfer(s);
        }
    }
    
    public static void transfer(String price){
        String pattern = "(EUR|￥|CNY|€)([\\s\\S]*)";
        Pattern r = Pattern.compile(pattern);
        Matcher m = r.matcher(price);

        if(m.find()){
            String str = m.group(0);
            if(str.indexOf("EUR") !=-1 | str.indexOf("€") !=-1 ){
                str = deleteRedundantZero(str.replaceAll("[^0-9,-]", "").replaceAll(",","."));
                System.out.println("欧元：" + price + " => " + str);
            }else {
                str = deleteRedundantZero(str.replaceAll("[^0-9.-]", ""));
                System.out.println("人民币：" + price + " => " + str);
            }
        }
    }

    //去除小数点后多余的零
    public static String deleteRedundantZero(String price){
        if(price.indexOf(".") != -1){
            return price.replaceAll("0+?$", "").replaceAll("[.]$", "");
        }
        return price;
    }
}