Support all known instances in short URL format

dandi/dandiarchive.py

@@ -573,6 +573,8 @@ class _dandi_url_parser:
     dandiset_id_grp = f"(?P<dandiset_id>{DANDISET_ID_REGEX})"
     # Should absorb port and "api/":
     server_grp = "(?P<server>(?P<protocol>https?)://(?P<hostname>[^/]+)/(api/)?)"
+    # Build instance name pattern from known instances to avoid matching unknown patterns
+    instance_name_pattern = "|".join(re.escape(name) for name in known_instances.keys())
     known_urls: list[tuple[re.Pattern[str], dict[str, Any], str]] = [
         # List of (regex, settings, display string) triples
         #
@@ -589,13 +591,13 @@ class _dandi_url_parser:
         #       for not only "dandiarchive.org" URLs
         (
             re.compile(
-                rf"(?P<instance_name>DANDI):"
+                rf"(?P<instance_name>{instance_name_pattern}):"
                 rf"{dandiset_id_grp}"
                 rf"(/(?P<version>{VERSION_REGEX}))?",
                 flags=re.I,
             ),
             {},
-            "DANDI:<dandiset id>[/<version>]",
+            "<INSTANCE>:<dandiset id>[/<version>]",
         ),
         (
             re.compile(r"https?://gui\.dandiarchive\.org/.*"),

dandi/tests/test_dandiarchive.py

@@ -117,6 +117,55 @@
                 version_id="0.210831.2033",
             ),
         ),
+        # Test other instances with short format
+        (
+            "DANDI-SANDBOX:000029",
+            DandisetURL(
+                instance=known_instances["dandi-sandbox"],
+                dandiset_id="000029",
+                version_id=None,
+            ),
+        ),
+        (
+            "dandi-sandbox:000029/draft",
+            DandisetURL(
+                instance=known_instances["dandi-sandbox"],
+                dandiset_id="000029",
+                version_id="draft",
+            ),
+        ),
+        (
+            "LINC:000029",
+            DandisetURL(
+                instance=known_instances["linc"],
+                dandiset_id="000029",
+                version_id=None,
+            ),
+        ),
+        (
+            "linc:000029/0.210831.2033",
+            DandisetURL(
+                instance=known_instances["linc"],
+                dandiset_id="000029",
+                version_id="0.210831.2033",
+            ),
+        ),
+        (
+            "EMBER:000029",
+            DandisetURL(
+                instance=known_instances["ember"],
+                dandiset_id="000029",
+                version_id=None,
+            ),
+        ),
+        (
+            "ember-sandbox:000029/draft",
+            DandisetURL(
+                instance=known_instances["ember-sandbox"],
+                dandiset_id="000029",
+                version_id="draft",
+            ),
+        ),
         (
             "http://localhost:8000/api/dandisets/000002/",
             DandisetURL(

docs/source/ref/urls.rst

@@ -17,8 +17,10 @@ has one, and its draft version will be used otherwise.
   (case insensitive; ``version`` cannot be "draft") when it redirects
   to one of the other URL formats
 
-- :samp:`DANDI:{dandiset-id}[/{version}]` (case insensitive)
-  — Refers to a Dandiset on the main DANDI Archive instance named "dandi".
+- :samp:`{instance-name}:{dandiset-id}[/{version}]` (case insensitive,
+  where ``instance-name`` is a known DANDI instance such as ``DANDI``,
+  ``DANDI-SANDBOX``, ``LINC``, ``EMBER``, etc.)
+  — Refers to a Dandiset on the specified DANDI Archive instance.
   `parse_dandi_url()` converts this format to a `DandisetURL`.
 
 - Any ``https://gui.dandiarchive.org/`` or