import re


def is_valid_version_syntax(version):
    """
    Returns True if version is valid, else False. Accepted version examples are:
        "1.0.0" "1.1.0" "123.0.123"
    """
    if not version:
        return False

    regex = re.compile(r'^[0-9]+\.[0-9]+\.[0-9]+$')

    return regex.match(version) is not None