diff --git a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README.md b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README.md
index 8c645a32a26b7..2359690a417e3 100644
--- a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README.md	
+++ b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README.md	
@@ -149,17 +149,31 @@ func minLength(s string) int {
 
 ```ts
 function minLength(s: string): number {
-    const stk: string[] = [''];
+    const stk: string[] = [];
     for (const c of s) {
-        if (c === 'B' && stk.at(-1)! === 'A') {
+        if ((stk.at(-1) === 'A' && c === 'B') || (stk.at(-1) === 'C' && c === 'D')) {
             stk.pop();
-        } else if (c === 'D' && stk.at(-1)! === 'C') {
+        } else {
+            stk.push(c);
+        }
+    }
+    return stk.length;
+}
+```
+
+#### JavaScript
+
+```js
+function minLength(s) {
+    const stk = [];
+    for (const c of s) {
+        if ((stk.at(-1) === 'A' && c === 'B') || (stk.at(-1) === 'C' && c === 'D')) {
             stk.pop();
         } else {
             stk.push(c);
         }
     }
-    return stk.length - 1;
+    return stk.length;
 }
 ```
 
@@ -193,4 +207,28 @@ impl Solution {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### 方法二：递归（一行代码）
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+const minLength = (s: string, n = s.length): number =>
+    ((s = s.replace(/AB|CD/g, '')), s.length === n) ? n : minLength(s);
+```
+
+#### JavaScript
+
+```js
+const minLength = (s, n = s.length) =>
+    ((s = s.replace(/AB|CD/g, '')), s.length === n) ? n : minLength(s);
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README_EN.md b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README_EN.md
index cd8e37d1d4110..e9bcfe4c2a99b 100644
--- a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README_EN.md	
+++ b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/README_EN.md	
@@ -147,17 +147,31 @@ func minLength(s string) int {
 
 ```ts
 function minLength(s: string): number {
-    const stk: string[] = [''];
+    const stk: string[] = [];
     for (const c of s) {
-        if (c === 'B' && stk.at(-1)! === 'A') {
+        if ((stk.at(-1) === 'A' && c === 'B') || (stk.at(-1) === 'C' && c === 'D')) {
             stk.pop();
-        } else if (c === 'D' && stk.at(-1)! === 'C') {
+        } else {
+            stk.push(c);
+        }
+    }
+    return stk.length;
+}
+```
+
+#### JavaScript
+
+```js
+function minLength(s) {
+    const stk = [];
+    for (const c of s) {
+        if ((stk.at(-1) === 'A' && c === 'B') || (stk.at(-1) === 'C' && c === 'D')) {
             stk.pop();
         } else {
             stk.push(c);
         }
     }
-    return stk.length - 1;
+    return stk.length;
 }
 ```
 
@@ -191,4 +205,28 @@ impl Solution {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### Solution 2: One-liner
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+const minLength = (s: string, n = s.length): number =>
+    ((s = s.replace(/AB|CD/g, '')), s.length === n) ? n : minLength(s);
+```
+
+#### JavaScript
+
+```js
+const minLength = (s, n = s.length) =>
+    ((s = s.replace(/AB|CD/g, '')), s.length === n) ? n : minLength(s);
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.js b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.js
new file mode 100644
index 0000000000000..1adb110a2b9b1
--- /dev/null
+++ b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.js	
@@ -0,0 +1,11 @@
+function minLength(s) {
+    const stk = [];
+    for (const c of s) {
+        if ((stk.at(-1) === 'A' && c === 'B') || (stk.at(-1) === 'C' && c === 'D')) {
+            stk.pop();
+        } else {
+            stk.push(c);
+        }
+    }
+    return stk.length;
+}
diff --git a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.ts b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.ts
index 0828f838631a7..df662987b2bc0 100644
--- a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.ts	
+++ b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.ts	
@@ -1,13 +1,11 @@
 function minLength(s: string): number {
-    const stk: string[] = [''];
+    const stk: string[] = [];
     for (const c of s) {
-        if (c === 'B' && stk.at(-1)! === 'A') {
-            stk.pop();
-        } else if (c === 'D' && stk.at(-1)! === 'C') {
+        if ((stk.at(-1) === 'A' && c === 'B') || (stk.at(-1) === 'C' && c === 'D')) {
             stk.pop();
         } else {
             stk.push(c);
         }
     }
-    return stk.length - 1;
+    return stk.length;
 }
diff --git a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution2.js b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution2.js
new file mode 100644
index 0000000000000..73aa53397c2a2
--- /dev/null
+++ b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution2.js	
@@ -0,0 +1,2 @@
+const minLength = (s, n = s.length) =>
+    ((s = s.replace(/AB|CD/g, '')), s.length === n) ? n : minLength(s);
diff --git a/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution2.ts b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution2.ts
new file mode 100644
index 0000000000000..64c440819ffdf
--- /dev/null
+++ b/solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution2.ts	
@@ -0,0 +1,2 @@
+const minLength = (s: string, n = s.length): number =>
+    ((s = s.replace(/AB|CD/g, '')), s.length === n) ? n : minLength(s);