angular material form validation code example

Example 1: angular material input

Html
<form class="example-form">
  <mat-form-field class="example-full-width">
    <mat-label>Favorite food</mat-label>
    <input matInput placeholder="Ex. Pizza" value="Sushi">
  </mat-form-field>

  <mat-form-field class="example-full-width">
    <mat-label>Leave a comment</mat-label>
    <textarea matInput placeholder="Ex. It makes me feel..."></textarea>
  </mat-form-field>
</form>

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

/**
 * @title Basic Inputs
 */
@Component({
  selector: 'input-overview-example',
  styleUrls: ['input-overview-example.css'],
  templateUrl: 'input-overview-example.html',
})
export class InputOverviewExample {}

CSS
.example-form {
  min-width: 150px;
  max-width: 500px;
  width: 100%;
}

.example-full-width {
  width: 100%;
}

Example 2: mat-form-field email validation

<input matInput placeholder="Favorite food" [(ngModel)]="enterEmail" name="myEmail" pattern="[a-zA-Z0-9.-_]{1,}@[a-zA-Z.-]{2,}[.]{1}[a-zA-Z]{2,}" required>

Example 3: form validation in angular material example

setPhoneValidation() {  const phoneControl = this.registerForm.get("phone");  phoneControl.setValidators([Validators.pattern("^[0-9]*$"),  Validators.required,]);this.registerForm.get("role").valueChanges.subscribe((role) => {  if (role == "jobSeeker") {    phoneControl.setValidators([Validators.pattern("^[0-9]*$"),    Validators.required,]);} else if (role == "employee") {      phoneControl.setValidators([Validators.pattern("^[0-9]*$")]);    }  phoneControl.updateValueAndValidity();});}