diff --git a/SwiftIO/SocketEngine.swift b/SwiftIO/SocketEngine.swift
index 3b6428e..9bcb27e 100644
--- a/SwiftIO/SocketEngine.swift
+++ b/SwiftIO/SocketEngine.swift
@@ -409,7 +409,10 @@ public class SocketEngine: NSObject, WebSocketDelegate {
     }
     
     private func parseEngineData(data:NSData) {
-        self.client.parseBinaryData(data.subdataWithRange(NSMakeRange(1, data.length - 1)))
+        dispatch_async(self.client.handleQueue) {[weak self] in
+            self?.client.parseBinaryData(data.subdataWithRange(NSMakeRange(1, data.length - 1)))
+            return
+        }
     }
     
     private func parseEngineMessage(var message:String) {
@@ -447,6 +450,8 @@ public class SocketEngine: NSObject, WebSocketDelegate {
             } else if type == PacketType.NOOP.rawValue {
                 self.doPoll()
                 return
+            } else if type == PacketType.PONG.rawValue {
+                return
             }
             
             if message == PacketType.CLOSE.rawValue {
diff --git a/SwiftIO/SocketParser.swift b/SwiftIO/SocketParser.swift
index e6d2a31..b7346f5 100644
--- a/SwiftIO/SocketParser.swift
+++ b/SwiftIO/SocketParser.swift
@@ -346,7 +346,6 @@ class SocketParser {
     // Tries to parse a message that contains binary
     class func parseBinaryMessage(var message:String, socket:SocketIOClient) {
         // NSLog(message)
-        
         var binaryGroup:[String]?
         
         let type = message.removeAtIndex(message.startIndex)
@@ -413,7 +412,7 @@ class SocketParser {
                     if nsp == "" && socket.nsp != nil {
                         return
                     }
-                    var mutMessageObject = binaryGroup![5]
+                    var mutMessageObject = binaryGroup![4]
                     let placeholdersRemoved = mutMessageObject["(\\{\"_placeholder\":true,\"num\":(\\d*)\\})"]
                         ~= "\"~~$2\""
                     
diff --git a/SwiftIO/SwiftRegex.swift b/SwiftIO/SwiftRegex.swift
index 19ac4bf..49f9524 100644
--- a/SwiftIO/SwiftRegex.swift
+++ b/SwiftIO/SwiftRegex.swift
@@ -43,7 +43,7 @@ public class SwiftRegex: NSObject, BooleanType {
     }
     
     final var targetRange: NSRange {
-        return NSRange(location: 0,length: target.utf16Count)
+        return NSRange(location: 0,length: countElements(target.utf16))
     }
     
     final func substring(range: NSRange) -> String? {