is-regexp.js
443 Bytes
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.github.io/ecma262/#sec-isregexp
module.exports = function (it) {
var isRegExp;
return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : classof(it) == 'RegExp');
};