import re


def is_valid_orcid(orcid):
    """
    Returns true if has correct syntax for an orcid.
    """
    # 0000-0003-1527-0030
    if re.match("\d\d\d\d-\d\d\d\d-\d\d\d\d-\d\d\d[0-9X]$", orcid):
        return True
    return False