Genius Lyrics (I so like it)

Sources/EeveeSpotify/Models/Extensions/String+Extension.swift

@@ -1,10 +1,32 @@
 import Foundation 
 
 extension String {
-    
+
     static func ~= (lhs: String, rhs: String) -> Bool {
         guard let regex = try? NSRegularExpression(pattern: rhs) else { return false }
         let range = NSRange(location: 0, length: lhs.utf16.count)
         return regex.firstMatch(in: lhs, options: [], range: range) != nil
     }
+
+    var range: NSRange { 
+        NSRange(self.startIndex..., in: self) 
+    }
+
+    func containsInsensitive<S: StringProtocol>(_ s: S) -> Bool {
+        self.range(of: s, options: .caseInsensitive) != nil
+    }
+
+    func matches(_ pattern: String) -> Bool {
+        try! NSRegularExpression(pattern: pattern)
+            .firstMatch(in: self, range: self.range) != nil
+    }
+
+    func removeMatches(_ pattern: String) -> String {
+        try! NSRegularExpression(pattern: pattern)
+            .stringByReplacingMatches(
+                in: self, 
+                range: self.range,
+                withTemplate: ""
+            )
+    }
 }