SciPy

This is documentation for an old release of NumPy (version 1.17). Read this page in the documentation of the latest stable release (version 2.2).

numpy.char.lower

numpy.char.lower(a)

Return an array with the elements converted to lowercase.

Call str.lower element-wise.

For 8-bit strings, this method is locale-dependent.

Parameters:
a : array_like, {str, unicode}

Input array.

Returns:
out : ndarray, {str, unicode}

Output array of str or unicode, depending on input type

See also

str.lower

Examples

>>>
>>> c = np.array(['A1B C', '1BCA', 'BCA1']); c
array(['A1B C', '1BCA', 'BCA1'], dtype='<U5')
>>> np.char.lower(c)
array(['a1b c', '1bca', 'bca1'], dtype='<U5')

Previous topic

numpy.char.ljust

Next topic

numpy.char.lstrip