Thursday, April 18, 2019

Introduction to NLP Part 2: Regular Expression in Python

Regular Expression is like a series of characters that is used to search a definite pattern in text. These are often used to extract information from both structured as well as unstructured text corpus. Almost all programming language have a well defined library of functions used for this purpose. In this blog we would look at some of the common functions that are used in python along with some scenario based use cases. The broad objective of this blog is to:

  1. Get familiar with functions used for search
  2. Exploring the 're' library
  3. Use the expressions in a list and data frame to
    • Search text
    • Replace text
Link to extract python(ipynb) file:

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