Java tutorial
//package com.java2s; /* * Copyright 2014 Google Inc. 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. */ import java.util.regex.Pattern; public class Main { /** Used to sanitize a string to be {@link Uri} safe. */ private static final Pattern sSanitizePattern = Pattern.compile("[^a-z0-9-_]"); /** * Sanitize the given string to be {@link Uri} safe for building * {@link ContentProvider} paths. */ public static String sanitizeId(String input) { if (input == null) { return null; } return sSanitizePattern.matcher(input.replace("+", "plus").toLowerCase()).replaceAll(""); } }