Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    public static boolean isFloat(String str) {
        if (isLong(str)) {
            return true;
        }
        Pattern pattern = Pattern.compile("\\d*\\.{1}\\d+");
        Matcher isNum = pattern.matcher(str);
        return isNum.matches();
    }

    public static boolean isLong(String str) {
        if ("0".equals(str.trim())) {
            return true;
        }
        Pattern pattern = Pattern.compile("^[^0]\\d*");
        Matcher isNum = pattern.matcher(str);
        return isNum.matches();
    }
}