juniorNLP

What is text normalization?

Updated May 17, 2026

Short answer

Text normalization converts text into a consistent format for processing.

Deep explanation

It includes steps like lowercasing, removing punctuation, expanding contractions, and correcting spelling variations.

Real-world example

Chatbots normalize user inputs for better intent matching.

Common mistakes

  • Over-normalizing and losing meaning.

Follow-up questions

  • Why is case normalization important?
  • What is over-normalization?

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