Relational Database, stuck on a Bike Rental Shop step

I´m not be able to pass “… Add ! in front of the comparison of the previous command to do that.” I’m sure the correct form is: ! [[ 11 =~ [1]+$ ]]; echo $? , but not pass the run test.
I really don’t know why. Would appreciate any help

  1. 0-9 ↩︎

post post a screenshot as it is hard to understand your question.

Thanks hbar1st. I resolved the point few minutes ago:
! [[ 11 =~ … is valid, but also is valid; [[ ! 11 =~ …,
The second way is the one to pass.

okay so you don’t need any help…
please mark your previous post as the solution so people know you are done.

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