numpy.char.islower

char.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

aarray_like of str or unicode

Returns

outndarray

Output array of bools

See also

str.islower