1// Copyright (C) 2013 Google Inc. All rights reserved. 2// 3// Redistribution and use in source and binary forms, with or without 4// modification, are permitted provided that the following conditions are 5// met: 6// 7// * Redistributions of source code must retain the above copyright 8// notice, this list of conditions and the following disclaimer. 9// * Redistributions in binary form must reproduce the above 10// copyright notice, this list of conditions and the following disclaimer 11// in the documentation and/or other materials provided with the 12// distribution. 13// * Neither the name of Google Inc. nor the names of its 14// contributors may be used to endorse or promote products derived from 15// this software without specific prior written permission. 16// 17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29// @fileoverview Generic string utility functions. 30var string = string || {}; 31 32(function() { 33 34string.contains = function(a, b) 35{ 36 return a.indexOf(b) != -1; 37} 38 39string.caseInsensitiveContains = function(a, b) 40{ 41 return a.match(new RegExp(b, 'i')); 42} 43 44string.startsWith = function(a, b) 45{ 46 return a.indexOf(b) == 0; 47} 48 49string.endsWith = function(a, b) 50{ 51 return a.lastIndexOf(b) == a.length - b.length; 52} 53 54string.isValidName = function(str) 55{ 56 return str.match(/[A-Za-z0-9\-\_,\+]/); 57} 58 59string.trimString = function(str) 60{ 61 return str.replace(/^\s+|\s+$/g, ''); 62} 63 64string.collapseWhitespace = function(str) 65{ 66 return str.replace(/\s+/g, ' '); 67} 68 69})();