| \chapter{String Services} | |
| The modules described in this chapter provide a wide range of string | |
| manipulation operations. Here's an overview: | |
| \begin{description} | |
| \item[string] | |
| --- Common string operations. | |
| \item[regex] | |
| --- Regular expression search and match operations. | |
| \item[regsub] | |
| --- Substitution and splitting operations that use regular expressions. | |
| \item[struct] | |
| --- Interpret strings as packed binary data. | |
| \item[StringIO] | |
| --- Read and write strings as if they were files. | |
| \end{description} |