in sg/internal/policy/rule.go [13:21]
func init() {
re := fmt.Sprintf("^(%s)(_[a-zA-Z0-9_]+)*$", strings.Join([]string{
string(QueryKindWarn),
string(QueryKindDeny),
string(QueryKindViolation),
}, "|"))
queryRegex = regexp.MustCompile(re)
}