parameters: (ref)
return_statement: return re.match(ns_regex, ref) is not None
docstring: Returns true if the provided reference is a namespace.
docstring_summary: Returns true if the provided reference is a namespace.
docstring_tokens: Returns true if the provided reference is a namespace .
function: def IsNamespace(ref):
    """Returns true if the provided reference is a namespace."""
    return re.match(ns_regex, ref) is not None
function_tokens: def IsNamespace ( ref ) : return re . match ( ns_regex , ref ) is not None