Tier 8 · Novicematch
First Blood
Match any string that contains the word "regex".
A pattern with no special characters in it just looks for itself. This one is free — it is here so you can see how the arena works.
Your pattern0 chars · par 5
//
Flags
Start typing — tests run as you go.0 of 5 visible tests passing
Test cases
regexmust matchi love regexmust matchregexwarsmust matchregular expressionmust not matchRegexmust not matchcapital R — patterns are case-sensitive by default
+ 3 hidden tests, checked when you submit. They are what stops a pattern that only fits the examples above.