allow only numbers in textbox angular 10 code example

Example 1: textbox should accept only numbers till 10 digit using angular

<input type="text" name="country_code" title="Error Message" pattern="[1-9]{1}[0-9]{9}">

Example 2: angular numbers only directive

import { Directive, ElementRef, HostListener, Input } from '@angular/core';
import { NgControl } from '@angular/forms';

@Directive({
  selector: 'input[type=number], input[numbersOnly]'
})
export class NumbersOnlyInputDirective {

  constructor(private elRef: ElementRef) { }

  @HostListener('input', ['$event']) onInputChange(event) {
    const initalValue = this.elRef.nativeElement.value;
    this.elRef.nativeElement.value = initalValue.replace(/[^0-9]*/g, '');
    if ( initalValue !== this.elRef.nativeElement.value) {
      event.stopPropagation();
    }
  }

}