static LS jextractAll(S pat, S s) {
  ret jextractAll(pat, javaTok(s));
}

static LS jextractAll(S pat, LS tok) {
  LS tokpat = javaTok(pat);
  jfind_preprocess(tokpat);
  ret map(jfindAll(tok, tokpat), i -> joinSubList(tok, i, i+l(tokpat)-2));
}


static LS jextractAll(LS tok, S pat) {
  ret jextractAll(pat, tok);
}