Pad a string with leading zeros so it's 3 characters long in SQL Server 2008

Question

I have a string that is up to 3 characters long when it\'s first created in SQL Server 2008 R2.

I would like to pad it with leading zeros, so if its original value w

Answer 1

Try this with fixed length.

select right('000000'+'123',5)

select REPLICATE('0', 5 - LEN(123)) + '123'