numpy.char.swapcase#
- char.swapcase(a)[source]#
Return element-wise a copy of the string with uppercase characters converted to lowercase and vice versa.
Calls
str.swapcase
element-wise.For 8-bit strings, this method is locale-dependent.
- Parameters:
- aarray-like, with
StringDType
,bytes_
, orstr_
dtype Input array.
- aarray-like, with
- Returns:
- outndarray
Output array of
StringDType
,bytes_
orstr_
dtype, depending on input types
See also
Examples
>>> import numpy as np >>> c=np.array(['a1B c','1b Ca','b Ca1','cA1b'],'S5'); c array(['a1B c', '1b Ca', 'b Ca1', 'cA1b'], dtype='|S5') >>> np.strings.swapcase(c) array(['A1b C', '1B cA', 'B cA1', 'Ca1B'], dtype='|S5')