Merge branch 'release/4.2.0' into versions

Author: Jeehut

Images/FreelanceKit.webp

@@ -38,13 +38,28 @@ I extracted most of this library from these Indie apps (rate them with 5 stars t
     </td>
     <td>
       <a href="https://apps.apple.com/app/apple-store/id6476773066?pt=549314&ct=github.com&mt=8">
-        <strong>String Catalog Translator</strong>
+        <strong>TranslateKit: App Localizer</strong>
       </a>
       <br />
       Simple drag & drop translation of String Catalog files with support for 4 machine translation services.
     </td>
     <td>Mac</td>
   </tr>
+  <tr>
+    <td>
+      <a href="https://apps.apple.com/app/apple-store/id6480134993?pt=549314&ct=github.com&mt=8">
+        <img src="https://raw.githubusercontent.com/FlineDev/HandySwift/main/Images/FreelanceKit.webp" width="64" />
+      </a>
+    </td>
+    <td>
+      <a href="https://apps.apple.com/app/apple-store/id6480134993?pt=549314&ct=github.com&mt=8">
+        <strong>FreelanceKit: Time Tracking</strong>
+      </a>
+      <br />
+      Simple & affordable time tracking with a native experience for all  devices. iCloud sync & CSV export included.
+    </td>
+    <td>iPhone, iPad, Mac, Vision</td>
+  </tr>
   <tr>
     <td>
       <a href="https://apps.apple.com/app/apple-store/id6472669260?pt=549314&ct=github.com&mt=8">

README.md

@@ -183,6 +183,45 @@ extension String {
 
       return plainString
    }
+
+   /// Splits the String into word tokens that are folded for case-insensitive, diacritics-insensitive, and width-insensitive operations such as search.
+   /// This is particularly useful for string normalization in search queries, where the goal is to match strings regardless of their case, diacritics, or full-width/half-width characters.
+   ///
+   /// - Parameter locale: Optional. The locale to use for the folding operation. If `nil`, the system's current locale is used. This affects the folding behavior, especially for diacritics.
+   /// - Returns: An array of normalized, tokenized strings.
+   ///
+   /// ## Example:
+   /// ```
+   /// let sentence = "Café au lait"
+   /// let tokens = sentence.tokenized()
+   /// print(tokens) // Output: ["cafe", "au", "lait"]
+   /// ```
+   public func tokenized(locale: Locale? = nil) -> [String] {
+      self.components(separatedBy: .whitespacesAndNewlines).map { word in
+         word.folding(options: [.caseInsensitive, .diacriticInsensitive, .widthInsensitive], locale: locale)
+      }
+   }
+
+   /// Splits both the current string and the search text into word tokens and performs a case-insensitive, diacritics-insensitive search.
+   /// It matches the start of each token in the search text with the tokens in the current string, making it suitable for prefix-based search queries.
+   ///
+   /// - Parameters:
+   ///   - searchText: The text to search for within this String.
+   ///   - locale: Optional. The locale to use for the insensitivity folding operation. If `nil`, the system's current locale is used. This can impact how characters are folded for comparison.
+   /// - Returns: `true` if all tokens from the search text are prefixes of any token in this String; otherwise, `false`.
+   ///
+   /// ## Example:
+   /// ```
+   /// let text = "Terms and Conditions"
+   /// let searchResult = text.matchesTokenizedPrefixes(in: "ter con")
+   /// print(searchResult) // Output: true
+   /// ```
+   public func matchesTokenizedPrefixes(in searchText: String, locale: Locale? = nil) -> Bool {
+      let tokens = self.tokenized(locale: locale)
+      return searchText.tokenized(locale: locale).allSatisfy { searchToken in
+         tokens.contains { $0.hasPrefix(searchToken) }
+      }
+   }
 }
 #endif
 

Sources/HandySwift/Extensions/StringExt.swift

@@ -292,6 +292,8 @@ func downloadPuzzle(from url: URL) async throws -> Puzzle {
 - ``Swift/String/randomElements(count:)``
 - ``Swift/String/encrypted(key:)``
 - ``Swift/String/decrypted(key:)``
+- ``Swift/String/tokenized(locale:)``
+- ``Swift/String/matchesTokenizedPrefixes(in:locale:)``
 
 ### StringProtocol