Book Image

Javascript Regular Expressions

Book Image

Javascript Regular Expressions

Overview of this book

This book is ideal for JavaScript developers and programmers who work with any type of user entry data and want sharpen their skills to become experts.
Table of Contents (8 chapters)

Chapter 4. Regex in Practice

In the previous two chapters, we covered Regex's syntax in depth, and at this point, have all the pieces required to build a real-world project, which will be the goal of this chapter.

Knowing Regex's syntax allows you to model text patterns, but sometimes coming up with a good reliable pattern can be more difficult, so taking a look at some actual use cases can really help you learn some common design patterns.

So, in this chapter, we will develop a form, and we will explore the following topics:

  • Validating a name
  • Validating e-mails
  • Validating a Twitter username
  • Validating passwords
  • Validating URLs
  • Manipulating text