Regular Expressions
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What is Regular Expressions?
A regular expression is a sequence of characters that specifies a search pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings, or for input validation.
Free resources to learn Regular Expressions
- Official docsRegular Expressions in Python
- ArticlePython Regular Expressions
- ArticlePython - Regular Expressions
Regular Expressions: common questions
Can I learn Regular Expressions 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 Regular Expressions 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 Regular Expressions tutorial for beginners?
It is lesson 38 of 85 in the free Python roadmap, in stage 10, Regular Expressions. If you are new to Python, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.