You work as a developer at ABC.com. The ABC.com network consists of a single domain named
ABC.com.
You are in the process of creating a new client web form for ABC.com. You have added the HTML
input field shown below:
<input id=”txtValue”/>
You are then instructed to add code that clients are only allowed to insert 3 characters from the
English character set, which represents an applicable country code.
Which of the following is TRUE with regards to the required code?

A.
The code should include the Match Class.

B.
The code should include the Regex Class.

C.
The code should include the Group Class.

D.
The code should include the Capture Class.

Explanation: