Minor optimization

Unrealm.podspec

@@ -9,7 +9,7 @@
 Pod::Spec.new do |s|
   s.name             = 'Unrealm'
   s.swift_version    = '5.1'
-  s.version          = '1.2.0'
+  s.version          = '1.2.1'
   s.summary          = 'Unrealm is an extension on RealmCocoa, which enables Swift native types to be saved in Realm.'
   s.description      = <<-DESC
 Unrealm enables you to easily store Swift native Classes, Structs and Enums into Realm.

Unrealm/Classes/ObjC/Object+Unrealm.m

@@ -71,3 +71,11 @@ void prepareUnrealm(void)
 {
 	[RealmSwiftObject prepareUnrealm];
 }
+
+@implementation NSObject(TypeString)
+- (NSString *)typeString
+{	
+	NSString *str = NSStringFromClass([self class]);
+	return  str;
+}
+@end

Unrealm/Classes/ObjC/include/Object+Unrealm.h

@@ -11,4 +11,8 @@
 
 void prepareUnrealm(void);
 
+@interface NSObject(TypeString)
+- (NSString *)typeString;
+@end
+
 #endif /* Object_Unrealm_h */

Unrealm/Classes/Swift/Unrealm.swift

@@ -371,25 +371,15 @@ public extension Object {
     }
 
     func toRealmable() -> RealmableBase? {
-        let objTypeString = self.typeStr()
-        if let type = objectsAndRealmables[objTypeString] {
+        let objTypeString = self.typeString() ?? ""
+		if let type = objectsAndRealmables.first(where: {objTypeString.contains($0.key)})?.value {
             let convertedObj = self.toRealmable(of: type)
             return convertedObj as? RealmableBase
         }
         return nil
     }
 }
 
-extension Object {
-    func typeStr() -> String {
-        let t = String(describing: self)
-        if let match = t.range(of: "[a-zA-Z0-9_.]+", options: .regularExpression) {
-            return String(t[match])
-        }
-        return ""
-    }
-}
-
 fileprivate func convert<T: NSObject>(val: Any, to objectType: T.Type) -> AnyObject? {
     let mirror = Mirror(reflecting: val)
     let children = mirror.childrenIncludingSuperclass(subject: val)