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. 30 var string = string || {}; 31 32 (function() { 33 34 string.contains = function(a, b) 35 { 36 return a.indexOf(b) != -1; 37 } 38 39 string.caseInsensitiveContains = function(a, b) 40 { 41 return a.match(new RegExp(b, 'i')); 42 } 43 44 string.startsWith = function(a, b) 45 { 46 return a.indexOf(b) == 0; 47 } 48 49 string.endsWith = function(a, b) 50 { 51 return a.lastIndexOf(b) == a.length - b.length; 52 } 53 54 string.isValidName = function(str) 55 { 56 return str.match(/[A-Za-z0-9\-\_,\+]/); 57 } 58 59 string.trimString = function(str) 60 { 61 return str.replace(/^\s+|\s+$/g, ''); 62 } 63 64 string.collapseWhitespace = function(str) 65 { 66 return str.replace(/\s+/g, ' '); 67 } 68 69 })();