String module
The string module is a Python standard-library module providing constants and utilities for processing text and character classes.
Python How-To
string is a Python standard-library module providing constants and utilities for common string character sets and operations.
- How it is used
- Supports input validation, data conversion, and formatting tasks in practical Python applications.
- How deep it goes
- Explains validation methods, conversion pitfalls, and formatting choices through examples, while deferring deeper split and rsplit details.
- Examples
- Uses age input, username checks, numeric strings, structured text, fruit lists, and visited-country lists.
- What you can do after
- Apply string methods and built-ins to validate text, convert represented values, and split or join application data.
The Quick Python Book, Fourth Edition
string is a Python standard-library module providing constants and utilities for common string-processing tasks.
- How it is used
- Supports practical text cleaning by supplying character sets for translation, filtering, and membership tests.
- How deep it goes
- Explains named constants and demonstrates reusable translation tables, but stops short of implementation internals.
- Examples
- Uses punctuation removal, character-set membership, digit and case tests, and Moby-Dick word-cleaning files.
- What you can do after
- Apply the module in text-cleaning programs with str.maketrans(), translate(), and reusable character constants.
Read how The Quick Python Book, Fourth Edition explains string module →
Related concepts
- standard librarypart of · A standard library is a collection of reusable modules, types, functions, APIs, and other facilities distributed with a programming language implementation or platform.
- input()produced by · input() is a Python built-in function that optionally displays a prompt, reads a line from standard input, and returns it as a string.
- read operationproduced by · A read operation retrieves data from a source, typically without changing the underlying data being read.
- findused by · find is a Python string method that returns the lowest index of a specified substring, or -1 when the substring is absent.
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