def is_extended_unc(path): return path.startswith(r'\\?\UNC')
def is_normal_unc(path): return not is_extended_unc(path) and path.startswith('\\\\') and not path.startswith(r'\\?')
def is_normal_unc(path): return not is_extended_unc(path) and path.startswith( '\\\\') and not path.startswith(r'\\?')