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flutter test --name not accepting lookahead syntax due to SETLOCAL ENABLEDELAYEDEXPANSION in batch entrypoint #84270

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@robertohuertasm

Hi, I was just trying to ignore some of my golden tests, whose name starts by Golden and decided to use this:

flutter test --name "^(?!Golden).+"

What I receive from the CLI is this instead: Couldn't parse --name "[(?Golden).+]": Invalid group(?Golden).+

Note that the ! from the lookahead is gone.

I've tried to review the code but I can't see any kind of sanitizer process. I've also seen that you're using the args package and I did a quick test of that library without success. It works as expected. So there may be another place where this substitution of the ! is taking place.

Maybe I'm missing something obvious. If you could point me in the right direction I would create a PR in order to fix this.

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    P2Important issues not at the top of the work lista: qualityA truly polished experiencea: tests"flutter test", flutter_test, or one of our teststeam-toolOwned by Flutter Tool teamtoolAffects the "flutter" command-line tool. See also t: labels.tool-still-validIssues that have been deemed still valid as part of the Flutter Tools issue cleanup initiative.triaged-toolTriaged by Flutter Tool team

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