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132 lines
1.2 KiB
Markdown
132 lines
1.2 KiB
Markdown
# string 模块：字符串处理
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In [1]:
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```py
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import string
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```
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标点符号：
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In [2]:
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```py
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string.punctuation
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```
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Out[2]:
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```py
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'!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'
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```
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字母表：
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In [3]:
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```py
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print string.letters
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print string.ascii_letters
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```
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```py
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ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
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abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
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```
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小写和大写：
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In [4]:
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```py
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print string.ascii_lowercase
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print string.lowercase
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print string.ascii_uppercase
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print string.uppercase
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```
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```py
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abcdefghijklmnopqrstuvwxyz
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abcdefghijklmnopqrstuvwxyz
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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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```
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In [5]:
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```py
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print string.lower
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```
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```py
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<function lower at 0x7efda4f2ae60>
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```
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数字：
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In [6]:
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```py
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string.digits
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```
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Out[6]:
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```py
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'0123456789'
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```
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16 进制数字：
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In [7]:
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```py
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string.hexdigits
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```
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Out[7]:
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```py
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'0123456789abcdefABCDEF'
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```
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每个单词的首字符大写：
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In [8]:
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```py
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string.capwords("this is a big world")
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```
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Out[8]:
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```py
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'This Is A Big World'
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```
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将指定的单词放到中央：
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In [9]:
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```py
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string.center("test", 20)
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```
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Out[9]:
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```py
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' test '
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``` |