fix: md link should not contain parentheses

src/vault/mod.rs

@@ -744,7 +744,7 @@ impl Reference {
             });
 
         static MD_LINK_RE: Lazy<Regex> = Lazy::new(|| {
-            Regex::new(r"\[(?<display>[^\[\]\.]*?)\]\(<?(?<filepath>(\.?\/)?[^\[\]\|\.\#<>]+?)?(?<ending>\.[^\# <>]+?)?(\#(?<infileref>[^\[\]\.\|<>]+?))?>?\)")
+            Regex::new(r"\[(?<display>[^\[\]\.]*?)\]\(<?(?<filepath>(\.?\/)?[^\[\]\|\.\#<>()]+?)?(?<ending>\.[^\# <>]+?)?(\#(?<infileref>[^\[\]\.\|<>()]+?))?>?\)")
                 .expect("MD Link Not Constructing")
         }); // [display](relativePath)
 
@@ -2013,6 +2013,51 @@ mod vault_tests {
         assert_eq!(parsed, expected);
     }
 
+    #[test]
+    fn md_empty_link_parsing() {
+        let text = "[]()";
+        let parsed = Reference::new(text, "test.md").collect_vec();
+
+        let expected = vec![Reference::MDFileLink(ReferenceData {
+            reference_text: "test.md".into(),
+            display_text: Some("".into()),
+            range: Range {
+                start: Position {
+                    line: 0,
+                    character: 0,
+                },
+                end: Position {
+                    line: 0,
+                    character: 4,
+                },
+            }
+            .into(),
+        })];
+
+        assert_eq!(parsed, expected);
+
+        let text = "[]()\n)";
+        let parsed = Reference::new(text, "test.md").collect_vec();
+
+        let expected = vec![Reference::MDFileLink(ReferenceData {
+            reference_text: "test.md".into(),
+            display_text: Some("".into()),
+            range: Range {
+                start: Position {
+                    line: 0,
+                    character: 0,
+                },
+                end: Position {
+                    line: 0,
+                    character: 4,
+                },
+            }
+            .into(),
+        })];
+
+        assert_eq!(parsed, expected);
+    }
+
     #[test]
     fn footnote_link_parsing() {
         let text = "This is a footnote[^1]