diff --git a/Builds/VisualStudio2012/RippleD.vcxproj b/Builds/VisualStudio2012/RippleD.vcxproj
index d911a3ffc..16785ea0b 100644
--- a/Builds/VisualStudio2012/RippleD.vcxproj
+++ b/Builds/VisualStudio2012/RippleD.vcxproj
@@ -802,6 +802,12 @@
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\modules\ripple_core\validator\ValidatorsUtilities.cpp">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\modules\ripple_data\crypto\ripple_Base58.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
@@ -1515,6 +1521,7 @@
     <ClInclude Include="..\..\modules\ripple_core\validator\ValidatorSourceTrustedUri.h" />
     <ClInclude Include="..\..\modules\ripple_core\validator\ValidatorsImp.h" />
     <ClInclude Include="..\..\modules\ripple_core\validator\Validators.h" />
+    <ClInclude Include="..\..\modules\ripple_core\validator\ValidatorsUtilities.h" />
     <ClInclude Include="..\..\modules\ripple_data\crypto\ripple_Base58.h" />
     <ClInclude Include="..\..\modules\ripple_data\crypto\ripple_Base58Data.h" />
     <ClInclude Include="..\..\modules\ripple_data\crypto\ripple_CBigNum.h" />
diff --git a/Builds/VisualStudio2012/RippleD.vcxproj.filters b/Builds/VisualStudio2012/RippleD.vcxproj.filters
index b3ed72bf8..a33e3e6e8 100644
--- a/Builds/VisualStudio2012/RippleD.vcxproj.filters
+++ b/Builds/VisualStudio2012/RippleD.vcxproj.filters
@@ -867,6 +867,9 @@
     <ClCompile Include="..\..\modules\ripple_core\test\TestOverlay.cpp">
       <Filter>[1] Ripple\ripple_core\test</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\modules\ripple_core\validator\ValidatorsUtilities.cpp">
+      <Filter>[1] Ripple\ripple_core\validator</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\modules\ripple_app\ripple_app.h">
@@ -1715,6 +1718,9 @@
     <ClInclude Include="..\..\modules\ripple_core\test\ConfigType.h">
       <Filter>[1] Ripple\ripple_core\test</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\modules\ripple_core\validator\ValidatorsUtilities.h">
+      <Filter>[1] Ripple\ripple_core\validator</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <CustomBuild Include="..\..\modules\ripple_data\protocol\ripple.proto">
diff --git a/modules/ripple_core/ripple_core.cpp b/modules/ripple_core/ripple_core.cpp
index 0ce5b7668..2021c6ac9 100644
--- a/modules/ripple_core/ripple_core.cpp
+++ b/modules/ripple_core/ripple_core.cpp
@@ -62,6 +62,8 @@ namespace ripple
 # include "test/ConfigType.h"
 #include "test/TestOverlay.cpp"
 
+# include "validator/ValidatorsUtilities.h"
+#include "validator/ValidatorsUtilities.cpp"
 # include "validator/ValidatorSourceStrings.h"
 # include "validator/ValidatorSourceTrustedUri.h"
 # include "validator/ValidatorsImp.h" // private
diff --git a/modules/ripple_core/validator/ValidatorsUtilities.cpp b/modules/ripple_core/validator/ValidatorsUtilities.cpp
new file mode 100644
index 000000000..121e1743b
--- /dev/null
+++ b/modules/ripple_core/validator/ValidatorsUtilities.cpp
@@ -0,0 +1,6 @@
+//------------------------------------------------------------------------------
+/*
+    Copyright (c) 2011-2013, OpenCoin, Inc.
+*/
+//==============================================================================
+
diff --git a/modules/ripple_core/validator/ValidatorsUtilities.h b/modules/ripple_core/validator/ValidatorsUtilities.h
new file mode 100644
index 000000000..6559a2bda
--- /dev/null
+++ b/modules/ripple_core/validator/ValidatorsUtilities.h
@@ -0,0 +1,35 @@
+//------------------------------------------------------------------------------
+/*
+    Copyright (c) 2011-2013, OpenCoin, Inc.
+*/
+//==============================================================================
+
+#ifndef RIPPLE_CORE_VALIDATORSUTILITIES_H_INCLUDED
+#define RIPPLE_CORE_VALIDATORSUTILITIES_H_INCLUDED
+
+/** Common code for Validators classes.
+*/
+class ValidatorsUtilities
+{
+public:
+    typedef std::vector <std::string> Strings;
+
+    /** Turn a linear buffer of newline delimited text into strings.
+        This can be called incrementally, i.e. successive calls with
+        multiple buffer segments.
+    */
+    static void parseLines (Strings& lines, char const* buf, std::size_t bytes);
+
+    /** Parse a ConstBufferSequence of newline delimited text into strings.
+        This works incrementally.
+    */
+    template <typename ConstBufferSequence>
+    static void parseLines (Strings& lines, ConstBufferSequence const& buffers)
+    {
+        for (typename ConstBufferSequence::const_iterator iter = buffers.begin ();
+            iter != buffers.end (); ++iter)
+            parserLines (lines, *iter);
+    }
+};
+
+#endif