package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?:\A|;)(?:\s*)((?:%macro |%inc(?:lude)?\b|data |proc )[^;]+)`)
var str = `%macro foo;
%inc "foo.sas";
%mend;
%macro mylogit1(all_deps, outest);
%let k=1;
%let dep = %scan(&all_deps, &k);
%do %while("&dep" NE "");
title "dependent variable is &dep";
proc logistic data=xxx des outest=_est&k;
model &dep = ind1 ind2;
run;
%let k = %eval(&k + 1);
%let dep = %scan(&all_deps, &k);
%end;
%if "&outest" NE "" %then
%do;
data &outest;
set
%do i = 1 %to &k - 1;
_est&i
%end;
;
run;
%let k = %eval(&k - 1);
proc datasets;
delete _est1 - _est&k;
run;
%end;
%else
%do;
%put no dataset name was provided, files are not combined;
%end;
%mend;
%mylogit1(v1 v2 v3);
%mylogit1(v1 v2 v3, a);
proc print data = a;
var intercept ind1 ind2;
run;
`
var substitution = ""
fmt.Println(re.ReplaceAllString(str, substitution))
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/