mars.dataframe.Series.str.strip#
- Series.str.strip(to_strip=None)#
Remove leading and trailing characters.
Strip whitespaces (including newlines) or a set of specified characters from each string in the Series/Index from left and right sides. Equivalent to
str.strip()
.- 参数
to_strip (str or None, default None) – Specifying the set of characters to be removed. All combinations of this set of characters will be stripped. If None then whitespaces are removed.
- 返回类型
Series or Index of object
参见
Series.str.strip
Remove leading and trailing characters in Series/Index.
Series.str.lstrip
Remove leading characters in Series/Index.
Series.str.rstrip
Remove trailing characters in Series/Index.
实际案例
>>> import mars.tensor as mt >>> import mars.dataframe as md >>> s = md.Series(['1. Ant. ', '2. Bee!\n', '3. Cat?\t', mt.nan]) >>> s.execute() 0 1. Ant. 1 2. Bee!\n 2 3. Cat?\t 3 NaN dtype: object
>>> s.str.strip().execute() 0 1. Ant. 1 2. Bee! 2 3. Cat? 3 NaN dtype: object
>>> s.str.lstrip('123.').execute() 0 Ant. 1 Bee!\n 2 Cat?\t 3 NaN dtype: object
>>> s.str.rstrip('.!? \n\t').execute() 0 1. Ant 1 2. Bee 2 3. Cat 3 NaN dtype: object
>>> s.str.strip('123.!? \n\t').execute() 0 Ant 1 Bee 2 Cat 3 NaN dtype: object