$input: '\1\2\3\4\5\6\7\8\9';
.result {
  output: "[\#{'\1\2\3\4\5\6\7\8\9'}]";
  output: "\#{'\1\2\3\4\5\6\7\8\9'}";
  output: '\#{'\1\2\3\4\5\6\7\8\9'}';
  output: "['\#{'\1\2\3\4\5\6\7\8\9'}']";
}