DNCore: Add ref to regex assembly

Author: Bernt Røskar Brenna

UnitTests/TestDynamicResponse.cs

@@ -115,6 +115,12 @@ public async Task UsingSystemXmlLinq()
             Assert.Equal("OK", await EvalAsync("using System.Xml.Linq; return \"OK\";"));
         }
 
+        [Fact]
+        public async Task UsingRegex()
+        {
+            Assert.Equal("OK", await EvalAsync("using System.Text.RegularExpressions; return \"OK\";"));
+        }
+
         [Fact]
         public async Task UsingSystemDiagnosticsDebug()
         {

netmockery/DynamicResponseCreator.cs

@@ -35,6 +35,7 @@ public override async Task<string> GetBodyAsync(RequestInfo requestInfo)
             var sourceCode = SourceCode;
             if (_compiledType == null || _sourceAtCompilationTime != sourceCode)
             {
+                //TODO: Debug logging of referenced assemblies
                 var scriptOptions = ScriptOptions.Default.WithReferences(
                     MetadataReference.CreateFromFile(typeof(Enumerable).GetTypeInfo().Assembly.Location), // System.Linq
                     MetadataReference.CreateFromFile(typeof(System.Xml.Linq.XElement).GetTypeInfo().Assembly.Location), // System.Xml.Linq
@@ -86,7 +87,8 @@ public override async Task<string> GetBodyAsync(RequestInfo requestInfo)
                  MetadataReference.CreateFromFile(typeof(Enumerable).GetTypeInfo().Assembly.Location), // System.Linq
                  MetadataReference.CreateFromFile(typeof(System.Xml.Linq.XElement).GetTypeInfo().Assembly.Location), // System.Xml.Linq
                  MetadataReference.CreateFromFile(typeof(System.IO.File).GetTypeInfo().Assembly.Location),
-                 MetadataReference.CreateFromFile(typeof(System.Diagnostics.Debug).GetTypeInfo().Assembly.Location)
+                 MetadataReference.CreateFromFile(typeof(System.Diagnostics.Debug).GetTypeInfo().Assembly.Location),
+                 MetadataReference.CreateFromFile(typeof(System.Text.RegularExpressions.Regex).GetTypeInfo().Assembly.Location)
              );
 
              var script = CSharpScript.Create<string>(