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

Semicolons will be used at the end of every statement. 

Code blocks will start in the same line and end on a new one.

`var` will always be used to declare variables while writing code. 

Select all the coding standards that the author will use for this course.


Select all the coding standards that the author will use for this course.

Running the program after it is converted to bytecode

Select all reasons for which regular expressions became popular by the 1960s.


Select all reasons for which regular expressions became popular by the 1960s.

Which of the following terms is also used to refer to lexical analysis?

Which of the following terms is also used to refer to lexical analysis?

In POSIX, `.` is a special character that references any other character, but it is not the same as using `\.`, which simply references the dot character. 

In POSIX, <code>.</code> is a special character that references any other character, but it is not the same as using <code>\.</code>, which simply references the dot character.

Fill in the blank:

The main characteristic of POSIX is that all special characters (which are characters that actually have extra meaning) need to be escaped (i.e., prefixed with a _______ character) to be recognized as such.

Fill in the blank:
The main characteristic of POSIX is that all special characters (which are characters that actually have extra meaning) need to be escaped (i.e., prefixed with a _______ character) to be recognized as such.

Challenge yourself by answering some questions regarding the introduction to regular expressions.


The Beginning of Regular Expressions

The Anatomy of Regular Expressions

The RegExp Object

Thinking in Regular Expressions

Regular Expressions in the Wild

Wrapping Up

Quiz on the Introduction to Regular Expressions