don't check comments for it

Author: lrvideckis

tests/scripts/grep_clangformat_cppcheck.sh

@@ -33,7 +33,7 @@ echo "check vi instead of vector<int>"
 grep "vector<int>" --recursive ../library/**/*.hpp && exit 1
 
 echo "check no basic_string"
-grep "basic_string" --recursive ../library/**/*.hpp library_checker_aizu_tests/**/*.test.cpp && exit 1
+grep "[[:space:]]*//\!" --recursive --invert-match ../library/**/*.hpp library_checker_aizu_tests/**/*.test.cpp | grep "basic_string" && exit 1
 
 echo "check begin(arr) instead of arr.begin(), similarly for end, rbegin, rend, empty, size:"
 # TODO: remove this define filter if/when we move to -std=c++20