Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (c) 2013-2014, ?? ??(http://1.playandroid.duapp.com/)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.regex.Pattern;

import android.text.TextUtils;

public class Main {
    private static final String EMAIL_REG_EXPRESSION = "^[\\w-]+(\\.[\\w-]+)*@([a-z0-9-]+(\\.[a-z0-9-]+)*?\\.[a-z]{2,6}|(\\d{1,3}\\.){3}\\d{1,3})(:\\d{4})?$";

    public static boolean isEmail(String s) {
        if (TextUtils.isEmpty(s)) {
            return false;
        }
        return Pattern.matches(EMAIL_REG_EXPRESSION, s);
    }
}