import re


def check_contains_address(content):
    """
    determines if cell content contains potential physical address
    :param content: workbook cell object
    :type content: object
    :return: True or False
    :rtype boolean
    """
    # all schools are in state of CA w/zip; allow 5-digit zip, with *optional* -zip+4
    regex_address = r"CA\s[0-9]{5}(?:-[0-9]{4})?$"
    match = re.search(regex_address, content.value)

    if match:
        return True
    else:
        return False