3. Text Processing Library

The Text processing library is primarily used for the manipulation of strings, as well as for the processing of textual content.

3.1 string-- Common string manipulation

SOURCE location in:lib/string.py

3.1.1 string Constants

Here is the string constant defined in the string module:

String.ascii_letters

This constant contains uppercase and lowercase letters, and does not change with localization. It is actually a union of Ascii_loercase and ascii_uppercase .

String.ascii_lowercase

This constant is the lowercase letter ' abcdefghijklmnopqrstuvwxyz '.

String.ascii_uppercase

This constant is the capital letter ' ABCDEFGHIJKLMNOPQRSTUVWXYZ '.

String.digits

This constant is the number '0123456789'.

String.hexdigits

This constant is hexadecimal using the character '0123456789abcdefABCDEF'.

String.octdigits

This constant is octal using the character '01234567'.

String.punctuation

This constant is a punctuation mark in the ASCII table.

String.printable

This constant is a character that is printable. Contains numbers, letters, punctuation marks, and characters that can be used as spaces.

String.whitespace

This constant is a character that can be used as a space separator. Like ' \t\n\r\x0b\x0c '.

Cai Junsheng qq:9073204 Shenzhen

3. Text Processing Library