# Copyright 2013 the V8 project authors. All rights reserved. # Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Test for beginning of line (BOL or ^) matching On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS s.match(/^notHere/) is null PASS s.match(/^abc/) is ["abc"] PASS s.match(/(^|X)abc/) is ["abc",""] PASS s.match(/^longer|123/) is ["123"] PASS s.match(/(^abc|c)123/) is ["abc123","abc"] PASS s.match(/(c|^abc)123/) is ["abc123","abc"] PASS s.match(/(^ab|abc)123/) is ["abc123","abc"] PASS s.match(/(bc|^abc)([0-9]*)a/) is ["bc789a","bc","789"] PASS /(?:(Y)X)|(X)/.exec("abc") is null PASS /(?:(?:^|Y)X)|(X)/.exec("abc") is null PASS /(?:(?:^|Y)X)|(X)/.exec("abcd") is null PASS /(?:(?:^|Y)X)|(X)/.exec("Xabcd") is ["X",undefined] PASS /(?:(?:^|Y)X)|(X)/.exec("aXbcd") is ["X","X"] PASS /(?:(?:^|Y)X)|(X)/.exec("abXcd") is ["X","X"] PASS /(?:(?:^|Y)X)|(X)/.exec("abcXd") is ["X","X"] PASS /(?:(?:^|Y)X)|(X)/.exec("abcdX") is ["X","X"] PASS /(?:(?:^|Y)X)|(X)/.exec("YXabcd") is ["YX",undefined] PASS /(?:(?:^|Y)X)|(X)/.exec("aYXbcd") is ["YX",undefined] PASS /(?:(?:^|Y)X)|(X)/.exec("abYXcd") is ["YX",undefined] PASS /(?:(?:^|Y)X)|(X)/.exec("abcYXd") is ["YX",undefined] PASS /(?:(?:^|Y)X)|(X)/.exec("abcdYX") is ["YX",undefined] PASS successfullyParsed is true TEST COMPLETE