You cannot get another copy of the TM Dig in Pokemon Emerald. All TMs are a onetime use item and often have only one obtainable copy in each game. This was however changed in Pokemon X and Y so that TMs could be used multiple times like HMs.
i want a Pokemon with dig for open the cove of the regis
No
Dig is a TM, and you can teach it to most ground types.
Yes, you can teach a Pokemon the move dig after it has forgotten it.
u can teach vulpix dig.
diglit
None of them.
NO!
1
In a battle or a cave
it can if you teach trapinch dig before you evole it
Most Ground Pokemon and some fighting types; I have a blaziken that knows dig.