angular validators number only – Allow Only Numbers in Textbox using Angular

Allow Only Numbers in Textbox using Angular

In this post we will give you information about Allow Only Numbers in Textbox using Angular. Hear we will give you detail about Allow Only Numbers in Textbox using AngularAnd how to use it also give you demo for it if it is necessary.


This article will provide example of allow only numbers in textbox angular. We will use angular validation for number only. This article goes in detailed on textbox should accept only numbers in angular. you will learn allow user to enter only numbers in textbox using angular.


You can use number validation pattern in angular 6, angular 7, angular 8 and angular 9 application.


I will give you full example of how to implement validation for enter number only in angular application. textbox should accept only numbers in angular using reactive form. you can also see bellow preview for validation.

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this.form ={

number: [”, [Validators.required, Validators.pattern(“^[0-9]*$”)]]







<div >

<h1>Angular Validation for Number Only –</h1>

<form [formGroup]=”form” (ngSubmit)=”submit()”>

<div >

<label for=”number”>Number</label>






<div *ngIf=”f.number.touched && f.number.invalid” >

<div *ngIf=”f.number.errors.required”>Number is required.</div>

<div *ngIf=”f.number.errors.pattern”>Enter only number.</div>



<button type=”submit” [disabled]=”!form.valid”>Submit</button>







Also see:Angular Checkbox Example | Angular 9/8 Checkbox Tutorial

import { Component } from ‘@angular/core’;

import { FormBuilder, FormGroup, FormControl, Validators} from ‘@angular/forms’;


selector: ‘app-root’,

templateUrl: ‘./app.component.html’,

styleUrls: [‘./app.component.css’]


export class AppComponent {

form: FormGroup = new FormGroup({});

constructor(private fb: FormBuilder) {

this.form ={

number: [”, [Validators.required, Validators.pattern(“^[0-9]*$”)]]



get f(){

return this.form.controls;








I hope it can help you…




Hope this code and post will helped you for implement Allow Only Numbers in Textbox using Angular. if you need any help or any feedback give it in comment section or you have good idea about this post you can give it comment section. Your comment will help us for help you more and improve us.

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