bigframes.pandas.api.typing.StringMethods.upper#

StringMethods.upper() → T[source]#

Convert strings in the Series/Index to uppercase.

Equivalent to str.upper().

Examples:

>>> import bigframes.pandas as bpd

>>> s = bpd.Series(['lower',
...                 'CAPITALS',
...                 'this is a sentence',
...                 'SwApCaSe'])
>>> s.str.upper()
0                 LOWER
1              CAPITALS
2    THIS IS A SENTENCE
3              SWAPCASE
dtype: string

Returns:

Series with uppercase strings.

Return type:

bigframes.series.Series