'use strict'; // TODO: Remove from `core-js@4` since it's moved to entry points require('../modules/es.regexp.exec'); var $ = require('../internals/export'); var call = require('../internals/function-call'); var isCallable = require('../internals/is-callable'); var anObject = require('../internals/an-object'); var toString = require('../internals/to-string'); var DELEGATES_TO_EXEC = function () { var execCalled = false; var re = /[ac]/; re.exec = function () { execCalled = true; return /./.exec.apply(this, arguments); }; return re.test('abc') === true && execCalled; }(); var nativeTest = /./.test; // `RegExp.prototype.test` method // https://tc39.es/ecma262/#sec-regexp.prototype.test $({ target: 'RegExp', proto: true, forced: !DELEGATES_TO_EXEC }, { test: function (S) { var R = anObject(this); var string = toString(S); var exec = R.exec; if (!isCallable(exec)) return call(nativeTest, R, string); var result = call(exec, R, string); if (result === null) return false; anObject(result); return true; } });