Tier 3 · Warlockmatch
Double Letter
Match any string containing the same word character twice in a row.
Your pattern0 chars · par 6
//
Flags
Start typing — tests run as you go.0 of 5 visible tests passing
Test cases
hellomust matchaardvarkmust matchcommitteemust matchabcmust not matchababmust not matchrepeated, but not adjacent
+ 10 hidden tests, checked when you submit. They are what stops a pattern that only fits the examples above.