Which type of natural language processing (NLP) entity is used to identify a phone number?

The correct answer is A. regular expression. https://learn.microsoft.com/en-us/azure/cognitive-services/luis/reference-entity-regular- expression?tabs=V2 A regular expression entity extracts an entity based on a regular expression pattern you provide.

Submitted by sofia.br· Mar 30, 2026

Question

Which type of natural language processing (NLP) entity is used to identify a phone number?

Options

Aregular expression
Bmachine-learned
Clist
DPattern.any

How the community answered

(34 responses)

A
94% (32)
B
3% (1)
D
3% (1)

Explanation

https://learn.microsoft.com/en-us/azure/cognitive-services/luis/reference-entity-regular- expression?tabs=V2 A regular expression entity extracts an entity based on a regular expression pattern you provide.

Topics

#NLP#Entity extraction#Regular expressions

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