Here you can find the source of isValidDate(String value)
public static boolean isValidDate(String value)
//package com.java2s; /*/*from w w w . j a va 2 s . c om*/ * Copyright (c) 2005-2011 Grameen Foundation USA * All rights reserved. * * 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. * * See also http://www.apache.org/licenses/LICENSE-2.0.html for an * explanation of the license and how it is applied. */ import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Locale; public class Main { private static Locale internalLocale = Locale.UK; public static boolean isValidDate(String value) { try { SimpleDateFormat shortFormat = (SimpleDateFormat) DateFormat.getDateInstance(DateFormat.SHORT, internalLocale); shortFormat.setLenient(false); shortFormat.parse(value); return true; } catch (java.text.ParseException e) { return false; } } }