Angular 6 - Validators pattern not working

ng-pattern seem to take a regExp as parameter (like in angularJs) :

Validators.pattern(new RegExp("^(?=.*[A-Z])(?=.*[!@#\$%\^&\*])(?=.{9,}))")

You can also use /..../

Validators.pattern(/^(?=.*[A-Z])(?=.*[!@#\$%\^&\*])(?=.{9,})/)

Should work ;)