regex format lowercase validation on Spatie Tags Input not working on input

use Filament\Forms\Components\SpatieTagsInput;

Forms\Components\Section::make('Recipe Tags')
    ->schema([
        SpatieTagsInput::make('tags')
            ->regex('/^[a-z0-9_\-]+$/')
            ->validationMessages([
                'regex' => 'The :attribute format should be lowercase, numbers, underscores, and hyphens only.',
            ])
            ->type('recipe'),
    ]),