pandas.Series.str.upper — pandas 2.2.3 documentation (original) (raw)

Series.str.upper()[source]#

Convert strings in the Series/Index to uppercase.

Equivalent to str.upper().

Returns:

Series or Index of object

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