Karl wants to define a character class that includes any alphanumeric word characters. Which of the following choices is best suited for this requirement?

The correct answer is A. /[a-zA-Z_0-9]/. See the full explanation below for the reasoning.

Question

Options

A/[a-zA-Z_0-9]/;
B/^w/;
C/[^a-zA-Z_0-9]/;
D/[^0-Z$]/;

How the community answered

(58 responses)

A
78% (45)
B
7% (4)
C
3% (2)
D
12% (7)

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