numpy.core.defchararray.islower

numpy.core.defchararray.islower(a)[source]

Returns true for each element if all cased characters in the string are lowercase and there is at least one cased character, false otherwise.

Calls str.islower element-wise.

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

Parameters :

a : array_like of str or unicode

Returns :

out : ndarray

Output array of bools

See also

str.islower

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