diff --git a/crates/biome_js_analyze/src/lint/nursery/use_default_case.rs b/crates/biome_js_analyze/src/lint/nursery/use_default_case.rs
index 8da5a1c3c9d3..604f998af5c5 100644
--- a/crates/biome_js_analyze/src/lint/nursery/use_default_case.rs
+++ b/crates/biome_js_analyze/src/lint/nursery/use_default_case.rs
@@ -144,16 +144,16 @@ impl Rule for UseDefaultCase {
 
         Some(
             RuleDiagnostic::new(
-            rule_category!(),
-            node.range(),
-            markup! {
-                "Expected a default case."
-            },
+                rule_category!(),
+                node.range(),
+                markup! {
+                    "Expected a default case."
+                },
             )
             .note(markup! {
                 "The lack of a default clause can result in unexpected behaviors in your code."
             }).note(markup! {
-                "Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /" {comment_pattern} "/"
+                "Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/" {comment_pattern} "/`."
             }),
         )
     }
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalid.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalid.js.snap
index e367e1214aa7..a427cc9f85b5 100644
--- a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalid.js.snap
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalid.js.snap
@@ -41,7 +41,7 @@ invalid.js:1:1 lint/nursery/useDefaultCase ━━━━━━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /^no default$/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/^no default$/`.
   
 
 ```
@@ -65,7 +65,7 @@ invalid.js:6:1 lint/nursery/useDefaultCase ━━━━━━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /^no default$/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/^no default$/`.
   
 
 ```
@@ -89,7 +89,7 @@ invalid.js:12:1 lint/nursery/useDefaultCase ━━━━━━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /^no default$/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/^no default$/`.
   
 
 ```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.js
new file mode 100644
index 000000000000..7b92e5ec0048
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.js
@@ -0,0 +1,4 @@
+switch (a) {
+	case 1:
+		break;
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.js.snap
new file mode 100644
index 000000000000..b7ac71e9ce68
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.js.snap
@@ -0,0 +1,33 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: invalidAny.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+}
+
+```
+
+# Diagnostics
+```
+invalidAny.js:1:1 lint/nursery/useDefaultCase ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  ! Expected a default case.
+  
+  > 1 │ switch (a) {
+      │ ^^^^^^^^^^^^
+  > 2 │ 	case 1:
+  > 3 │ 		break;
+  > 4 │ }
+      │ ^
+    5 │ 
+  
+  i The lack of a default clause can result in unexpected behaviors in your code.
+  
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/.?/`.
+  
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.options.json
new file mode 100644
index 000000000000..79b1063b415f
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidAny.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": ".?"
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidCommentPattern.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidCommentPattern.js.snap
index a11eb278546f..5287b98bd24e 100644
--- a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidCommentPattern.js.snap
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidCommentPattern.js.snap
@@ -53,7 +53,7 @@ invalidCommentPattern.js:1:1 lint/nursery/useDefaultCase ━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /skip default(\s\d)*/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/skip default(\s\d)*/`.
   
 
 ```
@@ -77,7 +77,7 @@ invalidCommentPattern.js:6:1 lint/nursery/useDefaultCase ━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /skip default(\s\d)*/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/skip default(\s\d)*/`.
   
 
 ```
@@ -102,7 +102,7 @@ invalidCommentPattern.js:12:1 lint/nursery/useDefaultCase ━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /skip default(\s\d)*/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/skip default(\s\d)*/`.
   
 
 ```
@@ -126,7 +126,7 @@ invalidCommentPattern.js:19:1 lint/nursery/useDefaultCase ━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /skip default(\s\d)*/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/skip default(\s\d)*/`.
   
 
 ```
@@ -149,7 +149,7 @@ invalidCommentPattern.js:25:1 lint/nursery/useDefaultCase ━━━━━━━
   
   i The lack of a default clause can result in unexpected behaviors in your code.
   
-  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex /skip default(\s\d)*/
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/skip default(\s\d)*/`.
   
 
 ```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.js
new file mode 100644
index 000000000000..28918f0a6edf
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.js
@@ -0,0 +1,6 @@
+switch (a) {
+	case 1:
+		break;
+	// default omitted intentionally
+	// TODO: add default case
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.js.snap
new file mode 100644
index 000000000000..a87267223383
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.js.snap
@@ -0,0 +1,37 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: invalidDefaultOmitted.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+	// default omitted intentionally
+	// TODO: add default case
+}
+
+```
+
+# Diagnostics
+```
+invalidDefaultOmitted.js:1:1 lint/nursery/useDefaultCase ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  ! Expected a default case.
+  
+  > 1 │ switch (a) {
+      │ ^^^^^^^^^^^^
+  > 2 │ 	case 1:
+  > 3 │ 		break;
+  > 4 │ 	// default omitted intentionally
+  > 5 │ 	// TODO: add default case
+  > 6 │ }
+      │ ^
+    7 │ 
+  
+  i The lack of a default clause can result in unexpected behaviors in your code.
+  
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/default omitted/`.
+  
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.options.json
new file mode 100644
index 000000000000..39ddce5f6065
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidDefaultOmitted.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": "default omitted"
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.js
new file mode 100644
index 000000000000..0dbfe837f633
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.js
@@ -0,0 +1,5 @@
+switch (a) {
+	case 1:
+		break;
+	// no default
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.js.snap
new file mode 100644
index 000000000000..97ed4989bc2b
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.js.snap
@@ -0,0 +1,35 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: invalidSkippedDefaultCase.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+	// no default
+}
+
+```
+
+# Diagnostics
+```
+invalidSkippedDefaultCase.js:1:1 lint/nursery/useDefaultCase ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
+
+  ! Expected a default case.
+  
+  > 1 │ switch (a) {
+      │ ^^^^^^^^^^^^
+  > 2 │ 	case 1:
+  > 3 │ 		break;
+  > 4 │ 	// no default
+  > 5 │ }
+      │ ^
+    6 │ 
+  
+  i The lack of a default clause can result in unexpected behaviors in your code.
+  
+  i Consider adding a default clause or a comment explicitly stating that the default clause is not required, following the regex `/skipped default case/`.
+  
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.options.json
new file mode 100644
index 000000000000..a410fbd66bb1
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/invalidSkippedDefaultCase.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": "skipped default case"
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.js
new file mode 100644
index 000000000000..d48412d5e22a
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.js
@@ -0,0 +1,5 @@
+switch (a) {
+	case 1:
+		break;
+	//
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.js.snap
new file mode 100644
index 000000000000..dfa7c553d1b3
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.js.snap
@@ -0,0 +1,13 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: validAny.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+	//
+}
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.options.json
new file mode 100644
index 000000000000..79b1063b415f
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validAny.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": ".?"
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.js
new file mode 100644
index 000000000000..859d8a4c7f81
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.js
@@ -0,0 +1,8 @@
+switch (a) {
+	case 1:
+		break;
+	/*
+		TODO:
+ 		throw error in default case
+	*/
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.js.snap
new file mode 100644
index 000000000000..e71214800a58
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.js.snap
@@ -0,0 +1,16 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: validDefault.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+	/*
+		TODO:
+ 		throw error in default case
+	*/
+}
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.options.json
new file mode 100644
index 000000000000..6deaf636c379
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefault.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": "default"
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.js
new file mode 100644
index 000000000000..c974de03b90e
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.js
@@ -0,0 +1,6 @@
+switch (a) {
+	case 1:
+		break;
+	default:
+		break;
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.js.snap
new file mode 100644
index 000000000000..3ffec105215d
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.js.snap
@@ -0,0 +1,14 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: validDefaultCaseOmitted.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+	default:
+		break;
+}
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.options.json
new file mode 100644
index 000000000000..634b570d4e74
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validDefaultCaseOmitted.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": "default case omitted"
+					}
+				}
+			}
+		}
+	}
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.js b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.js
new file mode 100644
index 000000000000..9c93d7e7bf51
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.js
@@ -0,0 +1,5 @@
+switch (a) {
+	case 1:
+		break;
+	// skip default case
+}
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.js.snap b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.js.snap
new file mode 100644
index 000000000000..3eaf4a53fb07
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.js.snap
@@ -0,0 +1,13 @@
+---
+source: crates/biome_js_analyze/tests/spec_tests.rs
+expression: validSkipDefault.js
+---
+# Input
+```jsx
+switch (a) {
+	case 1:
+		break;
+	// skip default case
+}
+
+```
diff --git a/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.options.json b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.options.json
new file mode 100644
index 000000000000..b49504700999
--- /dev/null
+++ b/crates/biome_js_analyze/tests/specs/nursery/useDefaultCase/validSkipDefault.options.json
@@ -0,0 +1,15 @@
+{
+	"$schema": "../../../../../../packages/@biomejs/biome/configuration_schema.json",
+	"linter": {
+		"rules": {
+			"nursery": {
+				"useDefaultCase": {
+					"level": "error",
+					"options": {
+						"commentPattern": "^skip default"
+					}
+				}
+			}
+		}
+	}
+}