docs：补充【0459.重复的子字符串.md】的 JavaScript 、C# 代码

Author: Cwlrin

problems/0459.重复的子字符串.md

@@ -648,6 +648,29 @@ var repeatedSubstringPattern = function (s) {
 };
 ```
 
+> 正则匹配
+```javascript
+/**
+ * @param {string} s
+ * @return {boolean}
+ */
+var repeatedSubstringPattern = function(s) {
+  let reg = /^(\w+)\1+$/
+  return reg.test(s)
+};
+```
+> 移动匹配
+```javascript
+/**
+ * @param {string} s
+ * @return {boolean}
+ */
+var repeatedSubstringPattern = function (s) {
+    let ss = s + s;
+    return ss.substring(1, ss.length - 1).includes(s);
+};
+```
+
 ### TypeScript:
 
 > 前缀表统一减一
@@ -853,8 +876,10 @@ impl Solution {
 }
 ```
 ### C#
+
+> 前缀表不减一
+
 ```csharp
-// 前缀表不减一
 public bool RepeatedSubstringPattern(string s)
 {
     if (s.Length == 0)
@@ -879,6 +904,13 @@ public int[] GetNext(string s)
 }
 ```
 
+> 移动匹配
+```csharp
+public bool RepeatedSubstringPattern(string s) {
+    string  ss = (s + s).Substring(1, (s + s).Length - 2);
+    return ss.Contains(s);
+}
+```
 
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