im-angular-validators/lib/validators/password.validator.d.ts

This library will help you with lots of already written mostly used validators for Angular 2+ applications.

import { ValidatorFn } from '@angular/forms';
export declare class IMPasswordValidatorConfigModel {
    minLength: number;
    minNumberQuantity?: number;
    minCapitalLettersQuantity?: number;
    minSmallLettersQuantity?: number;
    minSpecialCharactersQuantity?: number;
}
export declare const IMPasswordValidator: (config?: IMPasswordValidatorConfigModel) => ValidatorFn;