请教剔除word 谢谢！

shiyiming

%let getvars=ycx1new ycx1;
%let var=ycx1;
想从&getvars中去掉ycx1,结果得到&getvars解析为ycx1new

%let getvars=ycx1new ycx1 sex;
%let var=ycx1;
想从&getvars中去掉ycx1,结果得到&getvars解析为ycx1new  sex
那个函数可以用啊？
谢谢！

Qiong

[code:1y1xbvve]
data _null_;
call symput('vv',transtrn("&getvars", "&var", ""));
run;
%put &vv;
[/code:1y1xbvve]

shiyiming

SAS 9.1.3 不行啊

shiyiming

%let getvars=ycx1new ycx1 sex;
%let var=ycx1;
%let getvars=%sysfunc(prxchange(%sysfunc(prxparse(s/\b&var.\b//)), -1, &getvars));
%put getvars=&getvars;