Main.java Source code

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Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.regex.Pattern;

public class Main {
    public static boolean isNumeric(String str) {
        if (str == null || (str.trim().equals(""))) {
            return false;
        }
        Pattern pattern = Pattern.compile("[0-9]*");
        return pattern.matcher(str).matches();
    }
}