RegExp instance
reg-exp/is
Confirms if given object is a native regular expression object
```javascript const isRegExp = require("type/reg-exp/is");
isRegExp(/foo/); isRegExp({}); // false isRegExp("foo"); // false ```
reg-exp/ensure
If given argument is a regular expression object, it is returned back. Otherwise TypeError
is thrown.
```javascript const ensureRegExp = require("type/reg-exp/ensure");
ensureRegExp(/foo/); // /foo/ ensureRegExp("foo"); // Thrown TypeError: null is not a regular expression object ```