Question

Point out the correct statement.

(a) $regex is used for regular expression pattern matches

(b) $like is used for regular expression pattern matches

(c) $reg is used for regular expression pattern matches

(d) All of the mentioned

I had been asked this question during an interview.

Query is from Model Data for Atomic operations in division Data Models of MongoDB

Answer 1

Correct answer is (a) $regex is used for regular expression pattern matches

Explanation: If your application needs to perform queries on the content of a field that holds text you can perform exact matches on the text.