Explore JavaScript regular expressions: learn about regex history, create patterns with special characters, parse data, and match passwords/emails, gaining comprehensive text processing skills.

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Regular Expressions, also known as Regex, come in handy in a multitude of text processing scenarios. Regex defines a search pattern using symbols and allows you to find matches within strings. The applications of this span from software engineering to data science and beyond.

In this course, you will begin with an introduction to regex, its history, and various types of regular expressions. 

You will then learn how to create your own regular expressions using various techniques and special characters. In the latter half of the course, you will explore RegExp Objects, how to parse data, turn phrases into an array of strings, and lastly password and email pattern matching.

By the end of this course, you will be a regular expressions expert.

JavaScript Regular Expressions in Detail

The RegExp object is not the only way you can define a regular expression, and it’s definitely not the most comfortable way of dealing with them. However, if you’re looking to customize the behavior of the expression’s methods, then this object is the gateway that JavaScript gives you.


There is still a lot more to cover, and we want to show you not only the simple use cases but also some real-world examples of regular expressions in action. Hopefully, by the end of the next two chapters, you’ll be able to use what’s been covered here and in chapter 2 to create your own expressions.


Stay tuned! 


The Beginning of Regular Expressions

The Anatomy of Regular Expressions

The RegExp Object

Thinking in Regular Expressions

Regular Expressions in the Wild

Wrapping Up

Summary