static boolean matchStartAny(Collection<S> patterns, S s, Matches m) {
  for (S pattern : unnull(patterns))
    if (matchStart(pattern, s, m))
      ret true;
  ret false;
}

static boolean matchStartAny(Collection<S> patterns, S s) {
  ret matchStartAny(patterns, s, null);
}

static bool matchStartAny(S pat, L<S> l, Matches m) {
  for (S s : unnull(l))
    if (matchStart(pat, s, m))
      true;
  false;
}

Began life as a copy of #1002630