Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.regex.Pattern;

public class Main {

    public static boolean isCardId(String str) {
        boolean flag = false;
        //       /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/; 
        String check = "(^\\d{18}$)|(^\\d{15}$)|(^\\d{17}(\\d|X|x)$)";
        Pattern pattern = Pattern.compile(check);
        flag = pattern.matcher(str).matches();
        return flag;
    }
}