Validation of uuid format not working

[stv0g]

The following schema is not properly checking if the string is an UUID:

{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "type": "object",
    "properties": {
        "id": {
            "type": "string",
            "format": "uuid"
        }
    }
}

Related to: microsoft/vscode#77765

We are missing the respective regex here:

vscode-json-languageservice/src/parser/jsonParser.ts

Line 19 in 2cb7fe3

const formats = {