How to enter only letters and numbers in TextInput?

How to enter only letters and numbers? Something like the regular expression [a-zA-Z0-9_]

TextInput::make('telegram')
   ->label(__('page.profile.fields.telegram'))
   ->prefix('@')
   ->minLength(5)
   ->maxLength(32),

TextInput::make('telegram')
   ->label(__('page.profile.fields.telegram'))
   ->prefix('@')
   ->minLength(5)
   ->maxLength(32),