babel-preset-test-bundled-dependencies/node_modules/core-js/modules/_is-regexp.js

Allow custom config for create-react-app without ejecting

// 7.2.8 IsRegExp(argument)
var isObject = require('./_is-object')
  , cof      = require('./_cof')
  , MATCH    = require('./_wks')('match');
module.exports = function(it){
  var isRegExp;
  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
};