Can't create alias that is just numbers

Steps to reproduce

If I make an alias in the YAML that is just a number (say, like a Zettel ID number), Obsidian doesn’t recognize it as an alias.

aliases: [2222, test]

In the above example, in the preview it shows “test” as metadata but not “2222”


  • Operating system: Mac
  • Obsidian version: 12.6

Additional information

Use the notation with quotation marks

aliases: ["222","ccc"]
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