babel-preset-test-bundled-dependencies/node_modules/es5-ext/reg-exp/valid-reg-exp.js

Allow custom config for create-react-app without ejecting

'use strict';

var isRegExp = require('./is-reg-exp');

module.exports = function (x) {
	if (!isRegExp(x)) throw new TypeError(x + " is not a RegExp object");
	return x;
};