diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0023a53
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+.DS_Store
+/.build
+/Packages
+xcuserdata/
+DerivedData/
+.swiftpm/configuration/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
diff --git a/Package.swift b/Package.swift
new file mode 100644
index 0000000..98fd567
--- /dev/null
+++ b/Package.swift
@@ -0,0 +1,14 @@
+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "swift-playground",
+    targets: [
+        // Targets are the basic building blocks of a package, defining a module or a test suite.
+        // Targets can depend on other targets in this package and products from dependencies.
+        .executableTarget(
+            name: "swift-playground"),
+    ]
+)
diff --git a/Sources/main.swift b/Sources/main.swift
new file mode 100644
index 0000000..4262229
--- /dev/null
+++ b/Sources/main.swift
@@ -0,0 +1,73 @@
+// The Swift Programming Language
+// https://docs.swift.org/swift-book
+
+print("Hello, world!")
+
+import Foundation
+
+func percentageMatch(text: String, pattern: String) -> Double? {
+    guard let regex = try? NSRegularExpression(pattern: pattern, options: []) else {
+        return nil
+    }
+    
+    let range = NSRange(location: 0, length: text.utf16.count)
+    if let match = regex.firstMatch(in: text, options: [], range: range) {
+        let matchLength = match.range.length
+        let textLength = text.utf16.count
+        let matchPercentage = Double(matchLength) / Double(textLength) * 100.0
+        print("\(pattern) Match Percentage: \(matchPercentage)%")
+        return matchPercentage
+    }
+    
+    return 0.0
+}
+
+let streetPattern = "[\\-öÖäÄüÜß.a-zA-Z\\s]{8,50}[\\d]{1,3}"
+let postcodePattern = "([A-Za-z]{2}[-\\s])?[0-9]{5}[-öÖäÄüÜßA-Za-z\\s]{5,35}"
+let namePattern = "[\\-öÖäÄüÜß()&.,A-Za-z\\s]{8,35}"
+let beforeNamePattern = "[\\W&&[^\\s()&.,]]|^[tza][oun][\\s.:]|^[s][h][i][p][to][\\s.:]|^[f][oü][r][\\s.:]|herr|frau"
+let nextNamePattern = "[\\W&&[^\\s,]]"
+let removePattern = "delivery|adress|Empf[aä]nger|Consignee|R[üu][e]?cksendung"
+let phonePattern = "(\\+?[0-9]+([\\s-][0-9]+)*)"
+// let phonePattern = "[\\d]{4,}[\\s]?[\\d]{3,}|[+][\\d]{2}[\\s]?[\\d]{2}"
+
+let testStreetText = "Musterstraße 123"
+let testStreetMatchPercentage = percentageMatch(text: testStreetText, pattern: streetPattern)
+
+let testPostcodeText = "DE-12345 Musterstadt"
+let testPostcodeMatchPercentage = percentageMatch(text: testPostcodeText, pattern: postcodePattern)
+
+let testNameText = "Max Mustermann"
+let testNameMatchPercentage = percentageMatch(text: testNameText, pattern: namePattern)
+
+let testPhoneText = "+49 123 456789"
+let testPhoneMatchPercentage = percentageMatch(text: testPhoneText, pattern: phonePattern)
+
+let minimumMatchPercentage = 60.0
+
+var mismatchedPatterns: [String] = []
+
+if let streetMatchPercentage = testStreetMatchPercentage, streetMatchPercentage < minimumMatchPercentage {
+    mismatchedPatterns.append("Street Pattern (\(streetMatchPercentage)%)")
+}
+
+if let postcodeMatchPercentage = testPostcodeMatchPercentage, postcodeMatchPercentage < minimumMatchPercentage {
+    mismatchedPatterns.append("Postcode Pattern (\(postcodeMatchPercentage)%)")
+}
+
+if let nameMatchPercentage = testNameMatchPercentage, nameMatchPercentage < minimumMatchPercentage {
+    mismatchedPatterns.append("Name Pattern (\(nameMatchPercentage)%)")
+}
+
+if let phoneMatchPercentage = testPhoneMatchPercentage, phoneMatchPercentage < minimumMatchPercentage {
+    mismatchedPatterns.append("Phone Pattern (\(phoneMatchPercentage)%)")
+}
+
+if mismatchedPatterns.isEmpty {
+    print("All patterns match at least \(minimumMatchPercentage)%.")
+} else {
+    print("Patterns not meeting the minimum match percentage:")
+    for pattern in mismatchedPatterns {
+        print(pattern)
+    }
+}
\ No newline at end of file