package org.jimmy.autosearch20180821.test;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class TestRegularExpression {

    public static void main(String[] args) {

        //2位数字直接匹配,3位或3位以上的数字直接匹配末尾两位数字

        Pattern pattern = Pattern.compile("\\d{2}(?!\\d+)");

        Matcher matcher = pattern.matcher("145423gdf4525243g89dgf56gxdfd123gxf4562gxd2357xgdf12gdsf36");

        while(matcher.find()){

            System.out.print(matcher.group() + " ");

        }

        System.out.println();

        //这个在之前基础上过滤掉了前面的数字(3位或3位以上的数字不会匹配,只会匹配2位数的数字)

        pattern = Pattern.compile("(?<!\\d+)\\d{2}(?!\\d+)");

        matcher = pattern.matcher("145423gdf4525243g89dgf56gxdfd123gxf4562gxd2357xgdf12gdsf36");

        while(matcher.find()){

            System.out.print(matcher.group() + " ");

        }

    }

}