In this chapter, you will be introduced to regular expressions (or regex in short). You will learn about some real-world problems that can be solved by using regular expressions and the basic building blocks of regular expressions.
We will be covering the following topics in this chapter:
- Introduction to regular expressions
 - A brief history of regular expressions
 - The various flavors of regular expressions
 - What type of problems need regular expressions to solve
 - The basic rules of writing regular expressions
 - Standard regular expression meta characters
 - Basic regular expression examples