A+(B+C)
(A+B)+C
(A+B+C)
How to remove brackets so the string is A+B+C?
Use COMPRESS Function like this
data have;
input string $;
datalines;
A+(B+C)
(A+B)+C
(A+B+C)
;
data want;
set have;
string=compress(string, "()");
run;
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