Regex quiz

Test your Regex knowledge with a free interactive quiz — 22 questions with answers and explanations. No signup needed to play.

What does the * quantifier mean?

1. What does the * quantifier mean?
2. What is a regular expression (regex)?
3. What does a character class like [aeiou] match?
4. What does the + quantifier mean?
5. What does the ? quantifier mean after a token?
6. How do you match a literal special character like a dot or parenthesis?
7. What does the alternation operator | do in (cat|dog)?
8. What does the . (dot) metacharacter match by default?
9. What do the anchors ^ and $ represent?
10. What does \d match?

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