re

Lesson in the Python for Data Analysis Roadmap · Stage 10: Exploratory Data Analysis

Last updated 14 September 2026

What is re?

The re module provides regular expression support for pattern matching and text manipulation. It is used for extracting structured data from unstructured text, validating formats, and performing complex find-and-replace operations. Key functions include re.match(), re.search(), re.findall(), and re.sub().

Study this in the interactive course See the whole Python for Data Analysis roadmap

Free resources to learn re

Official docsre — Regular expression operations
Official docsRegular expression HOWTO
ArticlePython RegEx
VideoPython Tutorial: re Module - How to Write and Match Regular Expressions (Regex)

re: common questions

Can I learn re in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain re in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this re tutorial for beginners?

It is lesson 69 of 112 in the free Python for Data Analysis roadmap, in stage 10, Exploratory Data Analysis. If you are new to Python for Data Analysis, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.