Regular Expressions Quiz

For each regular expression, type text that the regex would match.

Quiz by

Rate:

Last updated: March 26, 2026

You have not attempted this quiz yet.

More quiz info >>

4:00

Enter answer here

/ 14 guessed

The quiz is paused. You have remaining.

Copied!

Scoring

You scored / = %

This beats or equals % of test takers also scored 100%

The average score is

Your high score is

Your fastest time is

Keep scrolling down for answers and more stats ...

Hint	Answer
^a+b$	ab \| aab \| aaab
^(bed \| deb)$	bed \| deb
^coz*y$	coy \| cozy \| cozzy \| cozzzy
my .* pony	my little pony
^[^a-d][^b-m][^x-z][^s-w][^c-j]$	zaaaa
^star (wars \| trek)$	star wars \| star trek
^b[aeiou]t$	bat \| bet \| bit \| bot \| but
^br?[ao][ck][eo]n$	bacon \| broken
^the(ir\|y?re)$	their \| they're \| there
^anyone but [^me]+$	anyone but you
^[0-9]+[0-9]$	12
^(F\|PH)IN[AEUO]+S(AND)?F[EU]RB$	Phineas and Ferb
^L[EI]+[CHT]+ENST(EI\|IE)N$	Liechtenstein
ab([^b]\|b[^a])*b+a	ab this simulates a code comment ba