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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.
`fpformat`	General floating point formatting functions.
`StringIO`	Read and write strings as if they were files.
`cStringIO`	Faster version of `StringIO`, but not subclassable.
`codecs`	Encode and decode data and streams.
`unicodedata`	Access the Unicode Database.