Need New Line Character In Data

I have a need to have new line character in some data. I am trying to insert and retrieve the data with the new lines char in it, but it does work. I need the new line char in the data as I need to do some further processing whenever the new line starts.
Any ideas on how I can achieve this?
Thanks for the help.

This are the ways I have already tried, but does not work

create table mytest (col1 varchar(max))

insert into mytest values (' line1 ' + CHAR(13) + ' line2')

update mytest set col1 = (' line1 ' + CHAR(13) + CHAR(10) + ' line2')

update mytest set col1 = 'line1
line2
aa
line3
'

update user03.amitatest set col1 = 'line1 ' + CHAR(13) + CHAR(10) +
' line2 ' + CHAR(13) + CHAR(10) + 'aa ' + CHAR(13) + CHAR(10) + 'line3'

select col1 from mytest

The result set from the above select is -
line1 line2 aa line3