import re


def tokenize(line):
    """Split up a line of text on spaces, new lines, tabs, commas, parens
    returns the first word and the rest of the words

    >>> tokenize("This,Test")
    ('This', ['Test'])

    >>> tokenize("word1 word2 word3")
    ('word1', ['word2', 'word3'])

    >>> tokenize("word1, word2, word3")
    ('word1', ['word2', 'word3'])
    """
    tokens = [x for x in re.split("[ \f\n\r\t\v,()]+", line) if x]
    return tokens[0], tokens[1:]