/**
 * Splits `string` into an array of its words.
 *
 * @param [s=''] The string to inspect.
 * @param [pattern] The pattern to match words.
 * @returns Returns the words of `string`.
 * @example
 *
 * words('fred, barney, & pebbles')
 * // => ['fred', 'barney', 'pebbles']
 *
 * words('fred, barney, & pebbles', /[^, ]+/g)
 * // => ['fred', 'barney', '&', 'pebbles']
 */
export declare function words(s: string, pattern?: RegExp | string): string[];