static LS jextractAll_any(S s, S... patterns) {
  ret jextractAll_any(javaTok(s), patterns);
}

static LS jextractAll_any(LS tok, S... patterns) {
  new TreeSet<Pair<Int>> set; // pair(startIndex, endIndex)
  for (S pat : patterns) {
    LS tokPat = javaTok(pat);
    jfind_preprocess(tokPat);
    set.addAll(map(jfindAll(tok, tokPat), i -> pair(i, i+l(tokPat)-2)));
  }
  ret mapPairsToList(set, (start, end) -> joinSubList(tok, start, end));
}