phone-check-egypt/lib/only-number.directive.d.ts

its a directive that gibe validation on mobile number using regex format .. # directive requirements :

import { ElementRef } from "@angular/core";
import { NgForm } from "@angular/forms";
export declare class OnlyNumberDirective {
    private el;
    formData: NgForm;
    regex: RegExp;
    private specialKeys;
    constructor(el: ElementRef);
    onKeyDown(event: KeyboardEvent): void;
}