fix parsing without whitespace

Author: tpluscode

src/JsonLD/Core/RDFDatasetUtils.cs

@@ -561,19 +561,16 @@ private class Regex
             public static readonly Pattern Literal = Pattern.Compile("(?:" + Plain + "(?:" + 
                 Datatype + "|" + Language + ")?)");
 
-            public static readonly Pattern Ws = Pattern.Compile("[ \\t]+");
-
             public static readonly Pattern Wso = Pattern.Compile("[ \\t]*");
 
             public static readonly Pattern Eoln = Pattern.Compile("(?:\r\n)|(?:\n)|(?:\r)");
 
             public static readonly Pattern EmptyOrComment = Pattern.Compile("^" + Wso + "(#.*)?$");
 
             public static readonly Pattern Subject = Pattern.Compile("(?:" + Iri + "|" + Bnode
-                 + ")" + Ws);
+                 + ")" + Wso);
 
-            public static readonly Pattern Property = Pattern.Compile(Iri.GetPattern() + Ws.GetPattern
-                ());
+            public static readonly Pattern Property = Pattern.Compile(Iri.GetPattern() + Wso);
 
             public static readonly Pattern Object = Pattern.Compile("(?:" + Iri + "|" + Bnode
                  + "|" + Literal + ")" + Wso);

tests/JsonLD.Test/NQuadsParserTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using JsonLD.Core;