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CHDataManagement/Extensions/String+Extensions.swift

@@ -13,3 +13,20 @@ extension String {
         isEmpty ? nil : self
     }
 }
+
+extension String {
+
+    var fileExtension: String? {
+        let parts = components(separatedBy: ".")
+        guard parts.count > 1 else { return nil }
+        return parts.last
+    }
+
+    var fileNameAndExtension: (fileName: String, fileExtension: String?) {
+        let parts = components(separatedBy: ".")
+        guard parts.count > 1 else {
+            return (self, nil)
+        }
+        return (fileName: parts.dropLast().joined(separator: "."), fileExtension: parts.last)
+    }
+}