/**
 * Check if input string is a valid URL, ignoring leading/trailing characters like parentheses, dots, or whitespace
 */
export declare const isUrl: (str: string) => boolean;
/**
 * Check if input string contains a valid URL
 * @param str - The input string to check
 * @returns true if the string contains a valid URL, false otherwise
 */
export declare const containsUrl: (str: string) => boolean;