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NumPy: rsplit() function

numpy.core.defchararray.rsplit() function

For each element in a given array the numpy.core.defchararray.rsplit() function returns a list of the words in the string, using sep as the delimiter string.
Calls str.rsplit element-wise.
Except for splitting from the right, rsplit behaves like split.

Version: 1.15.0

Syntax:

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

Parameter:

Name Description Required /
Optional
a: array-like of str or unicode Required
sep: str or unicode If sep is not specified or None, any whitespace string is a separator. Optional
maxsplit: int If maxsplit is given, at most maxsplit splits are done, the rightmost ones. Optional

Return value:

out : ndarray - Array of list objects

Note:

The 'chararray' class exists for backwards compatibility with Numarray, it is not recommended for new development. Starting from numpy 1.4, if one needs arrays of strings, it is recommended to use arrays of 'dtype' 'object_', 'string_' or 'unicode_', and use the free functions in the 'numpy.char' module for fast vectorized string operations.

Some methods will only be available if the corresponding string method is available in your version of Python.

The preferred alias for 'defchararray' is 'numpy.char'.

Example-1: numpy.rsplit() function

>>> import numpy as np
>>> x = np.char.rsplit('w3resource', ':', maxsplit=None)
>>> x
array(list(['w3resource']), dtype=object)

Example-2: numpy.rsplit() function

>>> import numpy as np
>>> y = np.char.rsplit('hello world', ':', maxsplit=11)
>>> y
array(list(['hello world']), dtype=object)

Pictorial Presentation:

NumPy String operation: rsplit() function

Python - NumPy Code Editor:

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