Regex Hunter
A daily regex game: write the shortest regular expression that catches every monster word and spares the innocents. One new puzzle a day, played in your browser.
A startup from Pakistan, founded by Ijaz Ur Rahim.
A daily regex game: write the shortest regular expression that catches every monster word and spares the innocents. One new puzzle a day, played in your browser.
A startup from Pakistan, founded by Ijaz Ur Rahim.
This page is designed to help you find out whether Regex Hunter is good and if it is the right choice for you.
Regex Hunter is a free daily puzzle game for learning and sharpening regular expressions.
Each hunt shows a set of words to catch and a set to spare. You write one pattern that matches every target and none of the decoys, and the board lights up as you type so you see right away what your pattern hits. Solve it, then golf it: your score is the pattern's length against the hunt's par.
What's inside
Patterns use JavaScript regex syntax. The site is in English and Chinese, and no account is needed to play the daily.
Listed in
Daily Regex Puzzle
A new hunt every day with a leaderboard and streaks
Practice Packs
16 packs, each drilling one technique: anchors, classes, quantifiers, backreferences and more
Par Scoring
Score is your pattern length against each hunt's par
Regex Academy
Nine interactive learning tracks with verifiable certificates
Multiplayer Races
Hunting Spree: real-time regex races against other players
Community Hunts
Player-written puzzles with discussions, plus an archive of every past daily
Regex Hunter turns regex practice into a daily puzzle instead of a tutorial. Each hunt gives you words to catch and words to spare, and the board lights up live as you type, so you see exactly what your pattern hits and misses. Once you solve it, you can keep trimming the pattern to beat the hunt's par. Beyond the daily, there are 16 technique-focused practice packs, an Academy with interactive tracks and verifiable certificates, community-made hunts, and real-time multiplayer races. It's free and runs in the browser with no account needed for the daily.
Most coding-practice sites treat regex as one topic among many, or give you a single test string and a pass/fail. Regex Hunter is built only around regular expressions: every hunt has targets and decoys, so you learn to write patterns that are precise, not just ones that happen to match. Live highlighting shows the effect of every keystroke, a fresh puzzle every day keeps the habit going with streaks and a leaderboard, and the practice packs and Academy tracks cover specific techniques like anchors, quantifiers and backreferences step by step. It's free to play, and patterns use standard JavaScript regex syntax, so what you learn transfers straight to real code.
Developers who use regular expressions at work but want to get confident with them, from people who copy patterns off Stack Overflow to experienced engineers who enjoy a daily puzzle and a leaderboard. It's also used by students and self-learners working through regex for the first time, who can follow the practice packs and Academy tracks from the basics up.
We have collected here some useful links to help you find out if Regex Hunter is good.
Check the traffic stats of Regex Hunter on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
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Check the "Domain Authority" of Regex Hunter on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
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