matformfieldcontrol example

Example 1: mat-form-field must contain a MatFormFieldControl

@NgModule({
    imports: [
        MatInputModule
    ],
    exports: [
        MatInputModule
    ]
})

Example 2: mat input formatter tel

ngOnInit() {

    let MOBILE_PATTERN = /[0-9\+\-\ ]/;

    this.emailForm = new FormGroup({
      PhoneNumber:new FormControl('',[Validators.pattern(MOBILE_PATTERN)])
    });
}