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.

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