shell bypass 403
'use strict';
var GetIntrinsic = require('get-intrinsic');
var $match = GetIntrinsic('%Symbol.match%', true);
var hasRegExpMatcher = require('is-regex');
var ToBoolean = require('./ToBoolean');
// https://ecma-international.org/ecma-262/6.0/#sec-isregexp
module.exports = function IsRegExp(argument) {
if (!argument || typeof argument !== 'object') {
return false;
}
if ($match) {
var isRegExp = argument[$match];
if (typeof isRegExp !== 'undefined') {
return ToBoolean(isRegExp);
}
}
return hasRegExpMatcher(argument);
};