Explore topic-wise MCQs in JavaScript Questions & Answers Pattern Matching and Regular Expressions.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your JavaScript Questions & Answers Pattern Matching and Regular Expressions knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the most essential purpose of parentheses in regular expressions?

A. Define pattern matching techniques
B. Define subpatterns within the complete pattern
C. Define portion of strings in the regular expression
D. matching the complete string
Answer» C. Define portion of strings in the regular expression
Discussion
2.

The $ present in the RegExp object is called a ____________

A. character
B. matcher
C. metacharacter
D. metadata
Answer» D. metadata
Discussion