/**
 * 验证邮箱
 *
 * @param value
 * @returns
 */
export declare const isEmail: (value: string) => boolean;
/**
 * 验证手机格式
 *
 * @param value
 * @returns
 */
export declare const isMobile: (value: string) => boolean;
/**
 * 验证url格式
 *
 * @param value
 * @returns
 */
export declare const isUrl: (value: string) => boolean;
/**
 * 验证时间格式
 *
 * @param value
 * @returns
 */
export declare const isDate: (value: string) => boolean;
/**
 * 验证ISO类型的日期格式
 *
 * @param value
 * @returns
 */
export declare const isDateISO: (value: string) => boolean;
/**
 * 验证十进制数字
 *
 * @param value
 * @returns
 */
export declare const isNumber: (value: string) => boolean;
/**
 * 验证整数
 *
 * @param value
 * @returns
 */
export declare const isInteger: (value: string) => boolean;
/**
 * 验证身份证
 *
 * @param value
 * @returns
 */
export declare const isIdCard: (value: string) => boolean;
/**
 * 验证车牌号
 *
 * @param value
 * @returns
 */
export declare const isCarNo: (value: string) => boolean;
/**
 * 金额,只允许2位小数
 *
 * @param value
 * @returns
 */
export declare const isAmount: (value: string) => boolean;
/**
 * 中文
 *
 * @param value
 * @returns
 */
export declare const isChinese: (value: string) => boolean;
/**
 * 只能输入字母
 *
 * @param value
 * @returns
 */
export declare const isLetter: (value: string) => boolean;
/**
 * 只能是字母或者数字
 *
 * @param value
 * @returns
 */
export declare const isEnOrNum: (value: string) => boolean;
/**
 * 验证是否包含某个值
 *
 * @param value
 * @param params
 */
export declare const isContains: (value: string, params: string) => boolean;
/**
 * 验证一个值范围[min, max]
 *
 * @param value
 * @param params
 */
export declare const isRange: (value: number, params: number[]) => boolean;
/**
 * 验证一个长度范围[min, max]
 *
 * @param value
 * @param params
 */
export declare const isRangeLength: (value: string, params: number[]) => boolean;
/**
 * 是否固定电话
 *
 * @param value
 * @returns
 */
export declare const isLandline: (value: string) => boolean;
/**
 * 验证json字符串
 *
 * @param value
 * @param basics 是否验证基础类型，如"123"
 * @returns
 */
export declare const isJsonString: (value: string, basics?: boolean) => boolean;
/**
 * 验证数组
 *
 * @param value
 * @returns
 */
export declare const isArray: (value: any) => boolean;
/**
 * 验证对象
 *
 * @param value
 * @returns
 */
export declare const isObject: (value: any) => boolean;
export declare const isImageByExtName: (file_name: string) => boolean;
export declare const isVideoByExtName: (file_name: string) => boolean;
export declare const isAudioByExtName: (file_name: string) => boolean;