bytes.islower()

bytes.islower() bytearray.islower()

Return true if there is at least one lowercase ASCII character in the sequence and no uppercase ASCII characters, false otherwise.

For example:

>>> b'hello world'.islower()
True
>>> b'Hello world'.islower()
False

Lowercase ASCII characters are those byte values in the sequence b'abcdefghijklmnopqrstuvwxyz'. Uppercase ASCII characters are those byte values in the sequence b'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.

Links:

https://docs.python.org/3.5/library/stdtypes.html#bytes.islower

doc_python

2016-10-07 17:28:00

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