Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static boolean isValid_id(String str) {
        String regex1 = "[0-9]{17}x";
        String regex2 = "[0-9]{15}";
        String regex3 = "[0-9]{18}";
        return str.matches(regex1) || str.matches(regex2) || str.matches(regex3);
    }
}