declare const matchLetters: RegExp;
declare const matchNumbers: RegExp;
export declare type AlphaNumericDataType = string | number;
/**
 * @alias isNumberOrStringOnly
 * @name isAlphaNumeric
 *
 * @description has only numbers & letters
 * @param {String | Number} value
 * @return {Boolean} is valid
 */
declare function isAlphaNumeric(value: AlphaNumericDataType): boolean;
declare function isEmptyOrAlphaNumeric(value: AlphaNumericDataType): boolean;
declare function isAlphaNumericWithSpace(value: AlphaNumericDataType): boolean;
declare function isEmptyOrAlphaNumericWithSpace(value: AlphaNumericDataType): boolean;
declare function isAlphaNumericWithPlusMinus(value: AlphaNumericDataType): boolean;
declare function isEmptyOrAlphaNumericWithMinus(value: AlphaNumericDataType): boolean;
declare function isNumeric(value: AlphaNumericDataType): boolean;
declare function isEmptyOrValidNumber(value: AlphaNumericDataType): boolean;
declare function isAlphabet(value: AlphaNumericDataType): boolean;
declare function isValidCity(value: AlphaNumericDataType): boolean;
declare function isAlphaNumericSpecialCharacters(value: AlphaNumericDataType): boolean;
export { matchLetters };
export { matchNumbers };
export { isAlphaNumeric };
export { isEmptyOrAlphaNumeric };
export { isAlphaNumeric as isNumberOrStringOnly };
export { isAlphaNumericWithSpace };
export { isEmptyOrAlphaNumericWithSpace };
export { isAlphaNumericWithPlusMinus };
export { isEmptyOrAlphaNumericWithMinus };
export { isNumeric };
export { isValidCity };
export { isAlphaNumericSpecialCharacters };
export { isAlphabet };
export { isEmptyOrValidNumber };
export default isAlphaNumeric;