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Hands-On Machine Learning on Google Cloud Platform
book

Hands-On Machine Learning on Google Cloud Platform

by Giuseppe Ciaburro, V Kishore Ayyadevara, Alexis Perrier, Bryan Fry, Antonio Gulli
April 2018
Beginner to intermediate
500 pages
11h 26m
English
Packt Publishing
Content preview from Hands-On Machine Learning on Google Cloud Platform

Checking a value against a pattern

Anyone who has ever used word processing programs has had to face the problem of searching for a text string within the period. Perhaps without knowing it, we came across the pattern matching problem. Pattern matching is a procedure in which you check whether a token sequence has a certain pattern, that is, a combination of characters that respects a certain pattern.

A lexical token, or simply token, is a string with an assigned and thus identified meaning. It is structured as a pair consisting of a token name and an optional token value. The token name is a category of lexical unit.

As for the interpretation of the inputs by a chatbot, pattern matching can be useful for recognizing certain message sets. ...

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Publisher Resources

ISBN: 9781788393485