| /** | |
| Check if a value is a regular expression. | |
| @example | |
| ``` | |
| import isRegexp = require('is-regexp'); | |
| isRegexp('unicorn'); | |
| //=> false | |
| isRegexp(/unicorn/); | |
| //=> true | |
| isRegexp(new RegExp('unicorn')); | |
| //=> true | |
| ``` | |
| */ | |
| declare function isRegexp(input: unknown): input is RegExp; | |
| export = isRegexp; |