Tailwind's experimental.classRegex doesn't seem to be working

[silvenon]

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Describe the bug / provide steps to reproduce it

The classes are recognized by Tailwind's LSP as long as they're inside the attributes, but extracting them outside and getting Zed to recognize them using lsp.tailwind-language-server.settings.experimental.classRegex doesn't work like it does in VS Code, despite being mentioned in Zed's documentation.

1. create an empty project
2. npm init -y
3. npm install tailwindcss
4. create a JS file containing clsx("relative")
5. create a local Zed settings file recognizing that stuff inside clsx are classes:

{
  "lsp": {
    "tailwind-language-server": {
      "settings": {
        "experimental": {
          "classRegex": [
            "clsx\\(([^]*?)\\)"
            // or this
            ["clsx\\(([^)]*)\\)", "(?:'|\"|`)([^']*)(?:'|\"|`)"]
            // I don't know which one is better, I just copy and paste them
          ]
        }
      }
    }
  }
}

Zed Version and System Specs

Zed: v0.166.1 (Zed)
OS: macOS 15.2.0
Memory: 16 GiB
Architecture: aarch64

If applicable, add screenshots or screencasts of the incorrect state / behavior

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If applicable, attach your Zed.log file to this issue.

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