hipdf.core.column.string.StringMethods.isupper#
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- StringMethods.isupper() SeriesOrIndex#
Check whether all characters in each string are uppercase.
This is equivalent to running the Python string method str.isupper() for each element of the Series/Index. If a string has zero characters, False is returned for that check.
Returns#
- Series or Index of bool
Series or Index of boolean values with the same length as the original Series/Index.
See Also#
- isalnum
Check whether all characters are alphanumeric.
- isalpha
Check whether all characters are alphabetic.
- isdecimal
Check whether all characters are decimal.
- isdigit
Check whether all characters are digits.
- isinteger
Check whether all characters are integer.
- isnumeric
Check whether all characters are numeric.
- isfloat
Check whether all characters are float.
- islower
Check whether all characters are lowercase.
- isspace
Check whether all characters are whitespace.
Examples#
>>> import cudf >>> s = cudf.Series(['leopard', 'Golden Eagle', 'SNAKE', '']) >>> s.str.isupper() 0 False 1 False 2 True 3 False dtype: bool