hit.tag All except Door

Questions & Answers
1

I have a lot of tags and i want to have work for all tags except DOOR

		if(Input.GetMouseButtonDown(1) && hit.transform.gameObject.tag == "All"){
	Build();
	}
2

The != operator means ‘not equal to’.

if(Input.GetMouseButtonDown(1) && hit.transform.gameObject.tag != "DOOR"){
    Build();
}
3

Just use !=