There is no reverse function in qlik string functions.
See the link for the available string functions:
Maybe you used this link as reference:
But sense doesn't use macro as Qlikview.
As an alternative, you'd have to do in in code, something like the below script:
Load * Inline
I like Qlikview!
let vString = peek('Desc',0,'x');
let vLen = Len('$(vString)');
let vStringNew = '';
for i = 1 to Len('$(vString)')
vStringPart$(i) = Mid('$(vString)',$(i),1);
let i = Len('$(vString)');
let vStringNew = '$(vStringNew)' & '$(vStringPart$(i))';
trace $(vStringNew) $(i);
i = i -1;
loop while i > 0;
'$(vString)' as Original,
'$(vStringNew)' as Reversed
drop table x;
You could use the code i've done and use it as a sub called reverse to do this trick for you.
To achieve the following reversed string and get it to a table: