numpy.core.defchararray.add(x1, x2)

numpy.core.defchararray.title(a)

numpy.core.defchararray.less_equal(x1, x2)

numpy.core.defchararray.rsplit(a, sep=None, maxsplit=None)

numpy.core.defchararray.rpartition(a, sep)

numpy.core.defchararray.splitlines(a, keepends=None)