Java Programming
Accenture Technical PrimermediumJava Programming05 Regular Expression

What is the regular expression to match a digit (0-9) in a string?

Answer options

A
\d
B
[0-9]
C
\D
D
[^0-9]

Correct answer: \d

Explanation

Quick AnswerThe correct answer is \d because it directly addresses the core logic of Java Programming.

\d matches any digit character (0–9) in Java regex.

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