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TUIKit/TUIRoomKit/Source/Common/Extension/String+Extension.swift

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+//
+//  String+Extension.swift
+//  TUIRoomKit
+//
+//  Created by aby on 2022/12/26.
+//  Copyright © 2022 Tencent. All rights reserved.
+//
+
+import Foundation
+
+extension String {
+    func addIntervalSpace(intervalStr: String, interval: Int) -> String {
+        var output = ""
+        enumerated().forEach { index, c in
+            if (index % interval == 0) && index > 0 {
+                output += intervalStr
+            }
+            output.append(c)
+        }
+        return output
+    }
+    
+    func convertToDic() -> [String : Any]?{
+        guard let data = self.data(using: String.Encoding.utf8) else { return nil }
+        if let dict = try? JSONSerialization.jsonObject(with: data,
+                                                        options: .mutableContainers) as? [String : Any] {
+            return dict
+        }
+        return nil
+    }
+    
+    func isStringOnlyDigits() -> Bool {
+        let regex = "^[0-9]+$"
+        let predicate = NSPredicate(format: "SELF MATCHES %@", regex)
+        return predicate.evaluate(with: self)
+    }
+}