diff --git a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMConsolidator.swift b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMConsolidator.swift
index 2e90306b..6f1f44d8 100644
--- a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMConsolidator.swift
+++ b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMConsolidator.swift
@@ -145,20 +145,3 @@ extension vChewingLM {
     }
   }
 }
-
-// MARK: - String Extension
-
-extension String {
-  fileprivate mutating func regReplace(pattern: String, replaceWith: String = "") {
-    // Ref: https://stackoverflow.com/a/40993403/4162914 && https://stackoverflow.com/a/71291137/4162914
-    do {
-      let regex = try NSRegularExpression(
-        pattern: pattern, options: [.caseInsensitive, .anchorsMatchLines]
-      )
-      let range = NSRange(startIndex..., in: self)
-      self = regex.stringByReplacingMatches(
-        in: self, options: [], range: range, withTemplate: replaceWith
-      )
-    } catch { return }
-  }
-}
diff --git a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_DateTimeExtension.swift b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_DateTimeExtension.swift
index 2b5e5d48..87c62e9d 100644
--- a/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_DateTimeExtension.swift
+++ b/Packages/vChewing_LangModelAssembly/Sources/LangModelAssembly/LMInstantiator_DateTimeExtension.swift
@@ -77,23 +77,6 @@ extension vChewingLM.LMInstantiator {
   }
 }
 
-// MARK: - String Extension
-
-extension String {
-  fileprivate mutating func regReplace(pattern: String, replaceWith: String = "") {
-    // Ref: https://stackoverflow.com/a/40993403/4162914 && https://stackoverflow.com/a/71291137/4162914
-    do {
-      let regex = try NSRegularExpression(
-        pattern: pattern, options: [.caseInsensitive, .anchorsMatchLines]
-      )
-      let range = NSRange(startIndex..., in: self)
-      self = regex.stringByReplacingMatches(
-        in: self, options: [], range: range, withTemplate: replaceWith
-      )
-    } catch { return }
-  }
-}
-
 // MARK: - Date Time Language Conversion Extension
 
 private let tableMappingArabicNumeralsToChinese: [String: String] = [
diff --git a/Packages/vChewing_SwiftExtension/Sources/SwiftExtension/SwiftExtension.swift b/Packages/vChewing_SwiftExtension/Sources/SwiftExtension/SwiftExtension.swift
index 97edb83a..98843b46 100644
--- a/Packages/vChewing_SwiftExtension/Sources/SwiftExtension/SwiftExtension.swift
+++ b/Packages/vChewing_SwiftExtension/Sources/SwiftExtension/SwiftExtension.swift
@@ -135,3 +135,20 @@ public struct AppProperty<Value> {
     }
   }
 }
+
+// MARK: - String Extension
+
+extension String {
+  public mutating func regReplace(pattern: String, replaceWith: String = "") {
+    // Ref: https://stackoverflow.com/a/40993403/4162914 && https://stackoverflow.com/a/71291137/4162914
+    do {
+      let regex = try NSRegularExpression(
+        pattern: pattern, options: [.caseInsensitive, .anchorsMatchLines]
+      )
+      let range = NSRange(startIndex..., in: self)
+      self = regex.stringByReplacingMatches(
+        in: self, options: [], range: range, withTemplate: replaceWith
+      )
+    } catch { return }
+  }
+}