diff --git a/solution/3100-3199/3163.String Compression III/README.md b/solution/3100-3199/3163.String Compression III/README.md
index 0e3135ffb0678..33d38e003cded 100644
--- a/solution/3100-3199/3163.String Compression III/README.md	
+++ b/solution/3100-3199/3163.String Compression III/README.md	
@@ -213,4 +213,90 @@ function compressedString(word: string): string {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### 方法二：双指针
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+function compressedString(word: string): string {
+    let res = '';
+
+    for (let i = 1, j = 0; i <= word.length; i++) {
+        if (word[i] !== word[j] || i - j === 9) {
+            res += i - j + word[j];
+            j = i;
+        }
+    }
+
+    return res;
+}
+```
+
+#### JavaScript
+
+```js
+function compressedString(word) {
+    let res = '';
+
+    for (let i = 1, j = 0; i <= word.length; i++) {
+        if (word[i] !== word[j] || i - j === 9) {
+            res += i - j + word[j];
+            j = i;
+        }
+    }
+
+    return res;
+}
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
+<!-- solution:start -->
+
+### 方法三：正则匹配
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+function compressedString(word: string): string {
+    const regex = /(.)\1{0,8}/g;
+    let m: RegExpMatchArray | null = null;
+    let res = '';
+
+    while ((m = regex.exec(word))) {
+        res += m[0].length + m[1];
+    }
+
+    return res;
+}
+```
+
+#### JavaScript
+
+```js
+function compressedString(word) {
+    const regex = /(.)\1{0,8}/g;
+    let m = null;
+    let res = '';
+
+    while ((m = regex.exec(word))) {
+        res += m[0].length + m[1];
+    }
+
+    return res;
+}
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/3100-3199/3163.String Compression III/README_EN.md b/solution/3100-3199/3163.String Compression III/README_EN.md
index 7c4452240287a..f903d2ca2c447 100644
--- a/solution/3100-3199/3163.String Compression III/README_EN.md	
+++ b/solution/3100-3199/3163.String Compression III/README_EN.md	
@@ -209,4 +209,90 @@ function compressedString(word: string): string {
 
 <!-- solution:end -->
 
+<!-- solution:start -->
+
+### Solution 2: Two Pointers
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+function compressedString(word: string): string {
+    let res = '';
+
+    for (let i = 1, j = 0; i <= word.length; i++) {
+        if (word[i] !== word[j] || i - j === 9) {
+            res += i - j + word[j];
+            j = i;
+        }
+    }
+
+    return res;
+}
+```
+
+#### JavaScript
+
+```js
+function compressedString(word) {
+    let res = '';
+
+    for (let i = 1, j = 0; i <= word.length; i++) {
+        if (word[i] !== word[j] || i - j === 9) {
+            res += i - j + word[j];
+            j = i;
+        }
+    }
+
+    return res;
+}
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
+<!-- solution:start -->
+
+### Solution 3: RegExp
+
+<!-- tabs:start -->
+
+#### TypeScript
+
+```ts
+function compressedString(word: string): string {
+    const regex = /(.)\1{0,8}/g;
+    let m: RegExpMatchArray | null = null;
+    let res = '';
+
+    while ((m = regex.exec(word))) {
+        res += m[0].length + m[1];
+    }
+
+    return res;
+}
+```
+
+#### JavaScript
+
+```js
+function compressedString(word) {
+    const regex = /(.)\1{0,8}/g;
+    let m = null;
+    let res = '';
+
+    while ((m = regex.exec(word))) {
+        res += m[0].length + m[1];
+    }
+
+    return res;
+}
+```
+
+<!-- tabs:end -->
+
+<!-- solution:end -->
+
 <!-- problem:end -->
diff --git a/solution/3100-3199/3163.String Compression III/Solution2.js b/solution/3100-3199/3163.String Compression III/Solution2.js
new file mode 100644
index 0000000000000..e0972d9f11106
--- /dev/null
+++ b/solution/3100-3199/3163.String Compression III/Solution2.js	
@@ -0,0 +1,12 @@
+function compressedString(word) {
+    let res = '';
+
+    for (let i = 1, j = 0; i <= word.length; i++) {
+        if (word[i] !== word[j] || i - j === 9) {
+            res += i - j + word[j];
+            j = i;
+        }
+    }
+
+    return res;
+}
diff --git a/solution/3100-3199/3163.String Compression III/Solution2.ts b/solution/3100-3199/3163.String Compression III/Solution2.ts
new file mode 100644
index 0000000000000..4d3cb23c5103f
--- /dev/null
+++ b/solution/3100-3199/3163.String Compression III/Solution2.ts	
@@ -0,0 +1,12 @@
+function compressedString(word: string): string {
+    let res = '';
+
+    for (let i = 1, j = 0; i <= word.length; i++) {
+        if (word[i] !== word[j] || i - j === 9) {
+            res += i - j + word[j];
+            j = i;
+        }
+    }
+
+    return res;
+}
diff --git a/solution/3100-3199/3163.String Compression III/Solution3.js b/solution/3100-3199/3163.String Compression III/Solution3.js
new file mode 100644
index 0000000000000..f1e54e8af2f67
--- /dev/null
+++ b/solution/3100-3199/3163.String Compression III/Solution3.js	
@@ -0,0 +1,11 @@
+function compressedString(word) {
+    const regex = /(.)\1{0,8}/g;
+    let m = null;
+    let res = '';
+
+    while ((m = regex.exec(word))) {
+        res += m[0].length + m[1];
+    }
+
+    return res;
+}
diff --git a/solution/3100-3199/3163.String Compression III/Solution3.ts b/solution/3100-3199/3163.String Compression III/Solution3.ts
new file mode 100644
index 0000000000000..a11377e20af03
--- /dev/null
+++ b/solution/3100-3199/3163.String Compression III/Solution3.ts	
@@ -0,0 +1,11 @@
+function compressedString(word: string): string {
+    const regex = /(.)\1{0,8}/g;
+    let m: RegExpMatchArray | null = null;
+    let res = '';
+
+    while ((m = regex.exec(word))) {
+        res += m[0].length + m[1];
+    }
+
+    return res;
+}