Bringing back results that match a certain character type

Hi, thank you for any help.
Below is a few values from a field in a database table. I like to bring back the values that only have ###-####. I do not want to bring back any other values that has any other kind of characters in them unless its a number. Thank you

I want to bring back only          105-1110           105-1114           105-1121           105-1125           105-1298           105-1300  
I dont want to bring back the ones below.
001-10             001-2-13           002-2-10           003-43             003-52 ...