Microsoft Azure AI Fundamentals — Question 185

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

Answer options

• A. regular expression
• B. machine-learned
• C. list
• D. Pattern.any

Correct answer: A

Explanation

The correct answer is A, as regular expressions are commonly used to match specific patterns like phone numbers in text. Options B and C are less specific to the task of identifying phone numbers, and D refers to a specific pattern matching method that is not as broadly applicable as regular expressions.