Multiple choice technology programming languages

Which of the following is a valid scalar variable name?

  1. $section_32B
  2. $baby-boy
  3. $401k
  4. $tic#tac#toe
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Perl scalar variable names must start with \$ followed by a letter or underscore, then can contain letters, numbers, and underscores. \$section_32B follows this rule correctly. Variables cannot start with a number ($401k invalid), contain hyphens ($baby-boy invalid), or contain special characters like # ($tic#tac#toe invalid).

Keep practicing — related questions