Objectives
In this chapter you will learn
To define the term “regular expression”
To describe the purpose of regular expressions and extended regular expressions
To differentiate between different styles of regular expressions as used by different tools
To state the difference between basic regular expressions and extended regular expressions
To identify and use many of the metacharacters and expressions used to build regular expressions for typical administrative tasks
To use regular expressions and extended regular expressions with tools like grep and sed
Introducing regular expressions
In Volume ...
