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regexp.js
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regexp.js
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import { test, testDeep, summary } from './helpers.js';
console.log('RegExp Tests\n');
const re1 = new RegExp('hello');
test('RegExp source', re1.source, 'hello');
test('RegExp flags empty', re1.flags, '');
test('RegExp global false', re1.global, false);
const re2 = new RegExp('test', 'g');
test('RegExp global flag', re2.global, true);
test('RegExp flags g', re2.flags, 'g');
const re3 = new RegExp('pattern', 'gi');
test('RegExp multiple flags', re3.flags, 'gi');
test('RegExp global true', re3.global, true);
test('RegExp ignoreCase true', re3.ignoreCase, true);
const re4 = /hello/;
test('literal source', re4.source, 'hello');
const re5 = /test/gi;
test('literal flags', re5.flags, 'gi');
test('test true', /hello/.test('hello world'), true);
test('test false', /hello/.test('goodbye world'), false);
test('test case sensitive', /Hello/.test('hello'), false);
test('test case insensitive', /Hello/i.test('hello'), true);
testDeep('match simple', 'hello world'.match(/world/), ['world']);
testDeep('match groups', 'hello'.match(/(h)(e)/), ['he', 'h', 'e']);
test('exec not null', /o/.exec('hello') !== null, true);
test('exec match', /o/.exec('hello')[0], 'o');
test('search found', 'hello world'.search(/world/), 6);
test('search not found', 'hello world'.search(/xyz/), -1);
test('replace', 'hello world'.replace(/world/, 'there'), 'hello there');
test('replace global', 'a-b-c'.replace(/-/g, '_'), 'a_b_c');
testDeep('split', 'a,b,c'.split(/,/), ['a', 'b', 'c']);
const re6 = new RegExp('multi', 'm');
test('multiline flag', re6.multiline, true);
const re7 = /foo/s;
test('dotAll flag', re7.dotAll, true);
test('sticky flag', /test/y.sticky, true);
summary();

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