Bringing back results that match a certain character type

Question

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            
003-87           
0820-FR           
1-0-17            
1-0-18            
1-0-19            
1-0-20            
1-0-22            
1-0-29            
1000-SW           
1030-SW                 
105-CIFM          
Edwin Lopera

Answer 1

One option
declare @table table(val varchar(10));
insert into @table
values
('105-1110'),
('105-1114'),
('105-1121'),
('105-1125'),
('105-1298'),
('105-1300'),
('001-10'),
('001-2-13'),
('002-2-10'),
('003-43'),
('003-52'),
('003-87'),
('0820-FR'),
('1-0-17'),
('1-0-18'),
('1-0-19'),
('1-0-20'),
('1-0-22'),
('1-0-29'),
('1000-SW'),
('1030-SW'),
('105-CIFM')
select * from @table
where val like '[0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]'
Satheesh
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