zt_liuwanr/src/test/java/com/yipin/liuwanr/Mian.java

package com.yipin.liuwanr;

import org.apache.commons.lang3.StringUtils;

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

public class Mian {

    public static void main(String[] args) {
        //将字符串与正式表达式进行匹配
        //start()返回匹配到的子字符串在字符串中的索引位置.
        //end()返回匹配到的子字符串的最后一个字符在字符串中的索引位置.
        //group()返回匹配到的子字符串

        String[] arg = {"5","4"};//前端【输入框输入的数据】

        //【代码】
        String str="i = input(\"请输入\")\n" +
                "b = input(\"请输入\")";

        StringBuilder builder = new StringBuilder(str);
        String regex = "input\\((.*?)\\)";
        Pattern pattern = Pattern.compile(regex);
        Matcher m = pattern.matcher(builder);
        int j = 0;
        while (m.find()) {
            if(j<arg.length){
                int start = m.start();
                int end = m.end();
                String str2 = m.group();
                String result=null;
                if(str2.contains("'")){
                    result="'"+arg[j]+"'";
                }else if(str2.contains("\"")){
                    result="\""+arg[j]+"\"";
                }
                if(!StringUtils.isEmpty(result)){
                    builder.replace(start,end,result);
                }
                m = pattern.matcher(builder);
                j++;
            }else{
                break;
            }
        }
        System.out.println(builder.toString());

    }
}