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.

Solution:

this.form = fb.group({

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

})

Example:

src/app/app.component.html

<div >

<h1>Angular Validation for Number Only - ItSolutionStuff.com</h1>

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

<div >

<label for="number">Number</label>

<input

formControlName="number"

id="number"

type="text"

>

<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>

</div>

</div>

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

</form>

</div>

src/app/app.component.ts

import { Component } from '@angular/core';

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

@Component({

selector: 'app-root',

templateUrl: './app.component.html',

styleUrls: ['./app.component.css']

})

export class AppComponent {

form: FormGroup = new FormGroup({});

constructor(private fb: FormBuilder) {

this.form = fb.group({

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

})

}

get f(){

return this.form.controls;

}

submit(){

console.log(this.form.value);

}

}

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. we will give you this type of more interesting post in featured also so, For more interesting post and code Keep reading our blogs

For More Info See :: laravel And github

Leave a Comment

Your email address will not be published. Required fields are marked *

  +  84  =  89

We accept paid advance and paid guest Posting on our Site : Contact US