how to slove if dataset name have special character

[thanikondharish]

libname ex excel 'E:\sas\dime\xls\data3.xls' ;
data s;
set ex."Sheet1$"n;
run;

proc print data=ex.'sheet1$'n;
run;

the above program doesn't work .

how to solve?

[Haikuo]

put this line at the beginning of your code: 

options validmemname=extend;

[thanikondharish]

Thanq

[Reeza]

@thanikondharish if the answer works please mark @Haikuo solution as the correct answer.