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	Perl-style regular expression search and match operations.
regex	Regular expression search and match operations.
regsub	Substitution and splitting operations that use regular expressions.
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.