pandas.Series.str.upper¶
-
Series.str.
upper
()[source]¶ Convert strings in the Series/Index to uppercase.
Equivalent to
str.upper()
.Returns: - Series/Index of objects
See also
Series.str.lower
- Converts all characters to lowercase.
Series.str.upper
- Converts all characters to uppercase.
Series.str.title
- Converts first character of each word to uppercase and remaining to lowercase.
Series.str.capitalize
- Converts first character to uppercase and remaining to lowercase.
Series.str.swapcase
- Converts uppercase to lowercase and lowercase to uppercase.
Examples
>>> s = pd.Series(['lower', 'CAPITALS', 'this is a sentence', 'SwApCaSe']) >>> s 0 lower 1 CAPITALS 2 this is a sentence 3 SwApCaSe dtype: object
>>> s.str.lower() 0 lower 1 capitals 2 this is a sentence 3 swapcase dtype: object
>>> s.str.upper() 0 LOWER 1 CAPITALS 2 THIS IS A SENTENCE 3 SWAPCASE dtype: object
>>> s.str.title() 0 Lower 1 Capitals 2 This Is A Sentence 3 Swapcase dtype: object
>>> s.str.capitalize() 0 Lower 1 Capitals 2 This is a sentence 3 Swapcase dtype: object
>>> s.str.swapcase() 0 LOWER 1 capitals 2 THIS IS A SENTENCE 3 sWaPcAsE dtype: object