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numpy.core.defchararray.rindex
- numpy.core.defchararray.rindex(a, sub, start=0, end=None)[source]
- 
    Like rfind, but raisesValueErrorwhen the substringsubis not found.Calls str.rindexelement-wise.Parameters: a : array-like of str or unicode sub : str or unicode start, end : int, optional Returns: out : ndarray Output array of ints. See also 
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 https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.core.defchararray.rindex.html