import re


def iden_defect(defect_label):
    """
    iden_defect is a conveneince function which utilises the decomposes title of a vasppy caclulation for utilisation in other funtions assuming naming conventions are followed
    args: defect label (string)
    returns: defect identifiers (list of strings)
    """
    return re.findall(r"[^]_[^_]+",defect_label)