python--string模块

• 常用属性

属性	含义
string.ascii_letters	输出所有字母的字符串
string.ascii_lowercase	输出所有小写字母的字符串
string.ascii_uppercase	输出所有大写字母的字符串
string.letters	同string.ascii_letters(大小写前后可能有别)
string.lowercase	同string.ascii_lowercase
string.uppercase	同string.ascii_uppercase
string.octdigits	输出所有8进制数字字符串
string.hexdigits	输出所有16进制数字字符串
string.digits	输出所有数字的字符串
string.punctuation	输出所有标点符号的字符串
string.whitespace	输出所有空白符号的字符串

In [1]: import string

In [2]: string.ascii_letters
Out[2]: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'

In [3]: string.ascii_lowercase
Out[3]: 'abcdefghijklmnopqrstuvwxyz'

In [4]: string.ascii_uppercase
Out[4]: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

In [5]: string.letters
Out[5]: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'

In [6]: string.lowercase
Out[6]: 'abcdefghijklmnopqrstuvwxyz'

In [7]: string.uppercase
Out[7]: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'

In [8]: string.octdigits
Out[8]: '01234567'

In [9]: string.hexdigits
Out[9]: '0123456789abcdefABCDEF'

In [10]: string.digits
Out[10]: '0123456789'

In [11]: string.punctuation
Out[11]: '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~'

In [12]: string.whitespace
Out[12]: '\t\n\x0b\x0c\r '

• 常用方法