@Override
    public void visitRegExpChar(RegExpChar ch) {
      if (ch.getType() != RegExpChar.Type.OCT) {
        return;
      }
      myHolder.registerProblem(ch, RegExpBundle.message("inspection.warning.octal.escape.code.ref.code.in.regexp"),
                               new ReplaceWithHexEscapeFix(buildReplacementText(ch)));
    }
@Override
    public void visitRegExpChar(RegExpChar ch)