Regular expressions

Using regular expressions allows you to analyze and search for information faster and more efficiently. In some cases, their use speeds up writing code and increases the speed of its work.

Required knowledge: JavaScript

Included: regular expressions

Flexible dates: start right now and move in comfort mode

The course will allow you to gain a sought-after skill and increase your value as a professional

Proper use of regular expressions will allow you to:

Find the best and fastest ways to solve problems

Successfully pass interviews in large product companies

Solving complex problems with the right methods

Bring more value to the product and increase your own value as a professional

Regular expressions on the Competence Map of a front-end developer

According to our Competency Map, knowledge of regular expressions is required for front-end developers with more than 1 year of experience.

Typical tasks you will learn to solve with regular expressions

String search with floating conditions

Data validation for format and values

Data generation and cleaning

Text typography tasks

Flexible editing in a text editor

Working on the command line and grep

Course program

The sections are structured in such a way as to gradually complicate and deepen the knowledge about regular expressions. The task is not only to learn how to write regular expressions, but also to use them correctly and appropriately.

Section 1

Regular expression basics

Section 2

Single symbol. Character sets. Text borders and word borders. Case sensitivity

Section 3

Character selectors

Section 4

Grouping, Conditions, Saving State, and Backlinks

Section 5

Quantifiers. Length restrictions. Greed

Section 6

Forward and retrospective checks. Modifiers

Section 7


How is the training

The course involves self-study of the material in a comfortable mode for you. You can start learning right now.

The program is divided into modules, each of which allows you to gradually master the skill from simple basics to complex subtleties.

Each module consists of:


Structured information needed to master a part of a skill


Examples of solving typical tasks that will allow you to understand how theory turns into real practice

Practical task

For self-consolidation of the received theory. For each task, after completing it, you will receive a step-by-step solution to compare it with your own and make sure that it was completed correctly


For the final fixing of the material. It will allow you to make sure that you have learned everything exactly and you can move on.

To developers from developers

Made for developers who have little time to learn. On each course you will receive:


Links theory to typical tasks in the market. You will have an understanding of where and how to apply the resulting theory.


Built from simple to complex. You can easily immerse yourself in the topic, even if you didn’t know anything about it before.


Up-to-date and updated theory, tested by the market. No "water" - you will receive only the necessary knowledge.


Created around each course. It will help you answer questions and deepen your knowledge.

The community of each course consists of authors, experienced developers, and students who have taken or are taking this course.
The community not only helps in mastering the material, but also constantly makes the course better.

It suits you if:

You want to earn more or change jobs, but you don’t know in which direction to develop.

You want to learn a specific skill but don't know how

You do not want to waste time searching for relevant information on the topic

You need a specific teaching methodology and only the necessary information

You want to make sure that the acquired knowledge is learned in practice

We have experience, research and methodology on our side

An experience

We have been building a relationship with the commercial development market for 9 years. We train beginner developers and see how they become experienced specialists.


Before launching a course, we make sure that it provides a sought-after professional skill.


We communicate with the web developer community and therefore understand how to teach. We minimize the time from studying the theory to solving typical problems.

What the developers say

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