cudf.core.column.string.StringMethods.lower

StringMethods.lower() → SeriesOrIndex

Converts all characters to lowercase.

Equivalent to str.lower().

Returns:

Series or Index of object

A copy of the object with all strings converted to lowercase.

See also

upper

Converts all characters to uppercase.

title

Converts first character of each word to uppercase and remaining to lowercase.

capitalize

Converts first character to uppercase and remaining to lowercase.

swapcase

Converts uppercase to lowercase and lowercase to uppercase.

Examples

>>> import cudf
>>> data = ['lower', 'CAPITALS', 'this is a sentence', 'SwApCaSe']
>>> s = cudf.Series(data)
>>> s.str.lower()
0                 lower
1              capitals
2    this is a sentence
3              swapcase
dtype: object