sS jreplaceIC(S s, S in, S out) {
  L<S> tok = javaTok(s);
  ret jreplace(tok, in, out, true, false, null) ? join(tok) : s;
}

sS jreplaceIC(S s, S in, S out, O condition) {
  L<S> tok = javaTok(s);
  ret jreplace(tok, in, out, true, false, condition) ? join(tok) : s;
}