sS agiBlue_urlRewrite_rightToLeft(S s) {
  int iSlash = indexOfAny(s, "/?");
  if (charAt(s, iSlash) != '/') ret s;
  int iStart = iSlash+1;
  int iEnd = smartIndexOf(s, iStart, '?');
  if (iEnd <= iStart) ret s;
  ret makeAGIBlueDomain(urldecode(substring(s, iStart, iEnd)));
}