brew search failes if period / dot is in cask name

[cbsrobot]

Output of brew config

HOMEBREW_VERSION: 4.2.17
ORIGIN: https://github.com/Homebrew/brew
HEAD: 0476c2e5e4f02b409084553896340b2f4ab3352e
Last commit: 4 days ago
Core tap JSON: 10 Apr 10:31 UTC
Core cask tap JSON: 10 Apr 10:31 UTC
HOMEBREW_PREFIX: /opt/homebrew
HOMEBREW_CASK_OPTS: []
HOMEBREW_DISPLAY: /private/tmp/com.apple.launchd.dizR5bWrVW/org.macosforge.xquartz:0
HOMEBREW_MAKE_JOBS: 10
Homebrew Ruby: 3.1.4 => /opt/homebrew/Library/Homebrew/vendor/portable-ruby/3.1.4/bin/ruby
CPU: 10-core 64-bit arm_blizzard_avalanche
Clang: 14.0.3 build 1403
Git: 2.39.2 => /Applications/Xcode.app/Contents/Developer/usr/bin/git
Curl: 8.4.0 => /usr/bin/curl
macOS: 13.6.6-arm64
CLT: 14.3.1.0.1.1683849156
Xcode: 14.3.1
Rosetta 2: false

Output of brew doctor

Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!

Warning: Some installed casks are deprecated or disabled.
You should find replacements for the following casks:
  arduino

Warning: A newer Command Line Tools release is available.
Update them from Software Update in System Settings.

If that doesn't show you any updates, run:
  sudo rm -rf /Library/Developer/CommandLineTools
  sudo xcode-select --install

Alternatively, manually download them from:
  https://developer.apple.com/download/all/.
You should download the Command Line Tools for Xcode 15.1.

Warning: Your Xcode (14.3.1) is outdated.
Please update to Xcode 15.1 (or delete it).
Xcode can be updated from the App Store.

Description of issue

I use my own tap to install some software for a specific version of an app. If the name of the cask contains a period / dot brew search (and other commands) fails.

Is this a new behavior or is this a bug ?

 brew search aveee --verbose --debug
/opt/homebrew/Library/Homebrew/brew.rb (Cask::CaskLoader::NullLoader): loading aveee/casks/aveee_blender3.6
Error: Cask 'aveee_blender3.6' is unavailable: No Cask with this name exists.
/opt/homebrew/Library/Homebrew/cask/cask_loader.rb:507:in `load'
/opt/homebrew/Library/Homebrew/cask/cask_loader.rb:516:in `load'
/opt/homebrew/Library/Homebrew/search.rb:98:in `block in search_casks'
/opt/homebrew/Library/Homebrew/search.rb:97:in `map'
/opt/homebrew/Library/Homebrew/search.rb:97:in `search_casks'
/opt/homebrew/Library/Homebrew/search.rb:117:in `search_names'
/opt/homebrew/Library/Homebrew/cmd/search.rb:81:in `run'
/opt/homebrew/Library/Homebrew/brew.rb:89:in `<main>'

Relevant casks

my own cask

[daeho-ro]

Please check the documentations.