var isObject = require('../internals/is-object'); var classof = require('../internals/classof-raw'); var wellKnownSymbol = require('../internals/well-known-symbol'); var MATCH = wellKnownSymbol('match'); // `IsRegExp` abstract operation // https://tc39.es/ecma262/#sec-isregexp module.exports = function (it) { var isRegExp; return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp'); };