Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

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

public class Main {
    public static boolean isNumeric(String str) {
        String regEx = "^-?[0-9]+$";
        Pattern pat = Pattern.compile(regEx);
        Matcher mat = pat.matcher(str);
        if (mat.find()) {
            return true;
        } else {
            return false;
        }
    }
}