'use strict'; var GetIntrinsic = require('get-intrinsic'); var $match = GetIntrinsic('%Symbol.match%', true); var hasRegExpMatcher = require('is-regex'); var ToBoolean = require('./ToBoolean'); // https://262.ecma-international.org/6.0/#sec-isregexp module.exports = function IsRegExp(argument) { if (!argument || typeof argument !== 'object') { return false; } if ($match) { var isRegExp = argument[$match]; if (typeof isRegExp !== 'undefined') { return ToBoolean(isRegExp); } } return hasRegExpMatcher(argument); };