4. String Services

The modules described in this chapter provide a wide range of string manipulation operations. Here's an overview:

string		Common string operations.
re		Regular expression search and match operations with a Perl-style expression syntax.
struct		Interpret strings as packed binary data.
difflib		Helpers for computing differences between objects.
StringIO		Read and write strings as if they were files.
cStringIO		Faster version of StringIO, but not subclassable.
textwrap		Text wrapping and filling
codecs		Encode and decode data and streams.
encodings.idna		Internationalized Domain Names implementation
encodings.utf-8-sig		UTF-8 codec with BOM signature
unicodedata		Access the Unicode Database.
stringprep		String preparation, as per RFC 3453
fpformat		General floating point formatting functions.

Information on the methods of string objects can be found in section 3.6.1, ``String Methods.''

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