Python3基础 str split 用指定的字符将字符串分割

 

•                    python : 3.7.0
•                           OS : Ubuntu 18.04.1 LTS
  
•                          IDE : PyCharm 2018.2.4
•                      conda : 4.5.11
•            type setting : Markdown

 

code

xcx@xcx-PC:~$ source activate xingchuxin
(xingchuxin) xcx@xcx-PC:~$ ipython
Python 3.7.0 (default, Jun 28 2018, 13:15:42) 
Type 'copyright', 'credits' or 'license' for more information
IPython 6.5.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: content = "hello,world"

In [2]: hello_str = content.split(",")

In [3]: hello_str
Out[3]: ['hello', 'world']

In [4]: hello_str,world_str = content.split(',', 1)

In [5]: hello_str
Out[5]: 'hello'

In [6]: world_str
Out[6]: 'world'

In [7]: exit
(xingchuxin) xcx@xcx-PC:~$ source deactivate xingchuxin
xcx@xcx-PC:~$ 

 

addition

split(self, /, sep=None, maxsplit=-1)
    Return a list of the words in the string, using sep as the delimiter string.
    
    sep
      The delimiter according which to split the string.
      None (the default value) means split according to any whitespace,
      and discard empty strings from the result.
    maxsplit
      Maximum number of splits to do.
      -1 (the default value) means no limit.

 

xcx@xcx-PC:~$ source activate xingchuxin
(xingchuxin) xcx@xcx-PC:~$ ipython
Python 3.7.0 (default, Jun 28 2018, 13:15:42) 
Type 'copyright', 'credits' or 'license' for more information
IPython 6.5.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: my_str = "hello,world,hello,world"

In [2]: my_str.split(',', 1)
Out[2]: ['hello', 'world,hello,world']

In [3]: my_str.split(',', 2)
Out[3]: ['hello', 'world', 'hello,world']

In [4]: my_str.split(',', 3)
Out[4]: ['hello', 'world', 'hello', 'world']

In [5]: my_str.split(',', 4)
Out[5]: ['hello', 'world', 'hello', 'world']

In [6]: exit
(xingchuxin) xcx@xcx-PC:~$ source deactivate xingchuxin
xcx@xcx-PC:~$ 

 

resource

• [文档] https://docs.python.org/3/
• [规范] https://www.python.org/dev/peps/pep-0008/
• [规范] https://zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules/
• [源码] https://www.python.org/downloads/source/
• [ PEP ] https://www.python.org/dev/peps/
• [平台] https://www.cnblogs.com/

 

tips

行初心 会根据所学的知识，对博文进行更新。
该博文地址：https://www.cnblogs.com/xingchuxin/p/9693445.html

 

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