diff --git a/src/Umbraco.Core/StringAliasCaseType.cs b/src/Umbraco.Core/StringAliasCaseType.cs
index 420c504897..524d1a5a78 100644
--- a/src/Umbraco.Core/StringAliasCaseType.cs
+++ b/src/Umbraco.Core/StringAliasCaseType.cs
@@ -1,5 +1,8 @@
+using Umbraco.Core.CodeAnnotations;
+
 namespace Umbraco.Core
 {
+    [UmbracoWillObsolete("This enumeration should be removed. Use Umbraco.Core.Strings.CleanStringType instead.")]
     public enum StringAliasCaseType
     {
         PascalCase,
diff --git a/src/Umbraco.Core/Strings/DefaultShortStringHelper.cs b/src/Umbraco.Core/Strings/DefaultShortStringHelper.cs
index 511fb2fdd1..af0bcbbaf3 100644
--- a/src/Umbraco.Core/Strings/DefaultShortStringHelper.cs
+++ b/src/Umbraco.Core/Strings/DefaultShortStringHelper.cs
@@ -16,7 +16,7 @@ namespace Umbraco.Core.Strings
     /// <para>Full-unicode support is probably not so good.</para>
     /// <para>NOTE: pre-filters run _before_ the string is re-encoded.</para>
     /// </remarks>
-    internal class DefaultShortStringHelper : IShortStringHelper
+    public class DefaultShortStringHelper : IShortStringHelper
     {
         #region Ctor and vars
 
@@ -200,7 +200,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <para>The string will be cleaned in the context of the default culture.</para>
         /// <para>Safe aliases are Ascii only.</para>
         /// </remarks>
-        public string CleanStringForSafeAlias(string text)
+        public virtual string CleanStringForSafeAlias(string text)
         {
             return CleanString(text, CleanStringType.Ascii | CleanStringType.CamelCase | CleanStringType.Alias);
         }
@@ -214,7 +214,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <remarks>
         /// <para>Safe aliases are Ascii only.</para>
         /// </remarks>
-        public string CleanStringForSafeAlias(string text, CultureInfo culture)
+        public virtual string CleanStringForSafeAlias(string text, CultureInfo culture)
         {
             return CleanString(text, CleanStringType.Ascii | CleanStringType.CamelCase | CleanStringType.Alias, culture);
         }
@@ -228,7 +228,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <para>The string will be cleaned in the context of the default culture.</para>
         /// <para>Url segments are Ascii only (no accents...).</para>
         /// </remarks>
-        public string CleanStringForUrlSegment(string text)
+        public virtual string CleanStringForUrlSegment(string text)
         {
             return CleanString(text, CleanStringType.Ascii | CleanStringType.LowerCase | CleanStringType.Url, '-');
         }
@@ -242,7 +242,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <remarks>
         /// <para>Url segments are Ascii only (no accents...).</para>
         /// </remarks>
-        public string CleanStringForUrlSegment(string text, CultureInfo culture)
+        public virtual string CleanStringForUrlSegment(string text, CultureInfo culture)
         {
             return CleanString(text, CleanStringType.Ascii | CleanStringType.LowerCase | CleanStringType.Url, '-', culture);
         }
@@ -365,7 +365,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <param name="separator">The separator.</param>
         /// <param name="culture">The culture.</param>
         /// <returns>The clean string.</returns>
-        public string CleanString(string text, CleanStringType stringType, char separator, CultureInfo culture)
+        public virtual string CleanString(string text, CleanStringType stringType, char separator, CultureInfo culture)
         {
             var config = GetConfig(stringType & CleanStringType.RoleMask, culture);
             return CleanString(text, stringType, separator, culture, config);
@@ -801,7 +801,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <param name="separator">The separator, which defaults to a whitespace.</param>
         /// <returns>The splitted text.</returns>
         /// <remarks>Supports Utf8 and Ascii strings, not Unicode strings.</remarks>
-        public string SplitPascalCasing(string text, char separator)
+        public virtual string SplitPascalCasing(string text, char separator)
         {
             // be safe
             if (text == null)
@@ -855,7 +855,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <returns>The filtered string.</returns>
         /// <remarks>If <paramref name="stringType"/> is not <c>Unicode</c> then non-utf8 characters are
         /// removed. If it is <c>Ascii</c> we try to do some intelligent replacement of accents, etc.</remarks>
-        public string Recode(string text, CleanStringType stringType)
+        public virtual string Recode(string text, CleanStringType stringType)
         {
             // be safe
             if (text == null)
@@ -902,7 +902,7 @@ function validateSafeAlias(id, value, immediate, callback) {{
         /// <param name="text">The string to filter.</param>
         /// <param name="replacements">The replacements definition.</param>
         /// <returns>The filtered string.</returns>
-        public string ReplaceMany(string text, IDictionary<string, string> replacements)
+        public virtual string ReplaceMany(string text, IDictionary<string, string> replacements)
         {
             // be safe
             if (text == null)
diff --git a/src/Umbraco.Core/Strings/DefaultUrlSegmentProvider.cs b/src/Umbraco.Core/Strings/DefaultUrlSegmentProvider.cs
index 03749f26dc..d2e47e04b4 100644
--- a/src/Umbraco.Core/Strings/DefaultUrlSegmentProvider.cs
+++ b/src/Umbraco.Core/Strings/DefaultUrlSegmentProvider.cs
@@ -6,7 +6,7 @@ namespace Umbraco.Core.Strings
     /// <summary>
     /// Default implementation of IUrlSegmentProvider.
     /// </summary>
-    internal class DefaultUrlSegmentProvider : IUrlSegmentProvider
+    public class DefaultUrlSegmentProvider : IUrlSegmentProvider
     {
         /// <summary>
         /// Gets the default url segment for a specified content.
diff --git a/src/Umbraco.Core/Strings/IShortStringHelper.cs b/src/Umbraco.Core/Strings/IShortStringHelper.cs
index 478e57298d..d415bdba4d 100644
--- a/src/Umbraco.Core/Strings/IShortStringHelper.cs
+++ b/src/Umbraco.Core/Strings/IShortStringHelper.cs
@@ -7,7 +7,7 @@ namespace Umbraco.Core.Strings
     /// Provides string functions for short strings such as aliases or url segments.
     /// </summary>
     /// <remarks>Not necessarily optimized to work on large bodies of text.</remarks>
-    internal interface IShortStringHelper
+    public interface IShortStringHelper
     {
         /// <summary>
         /// Freezes the helper so it can prevents its configuration from being modified.
diff --git a/src/Umbraco.Core/Strings/IUrlSegmentProvider.cs b/src/Umbraco.Core/Strings/IUrlSegmentProvider.cs
index b448db6c02..dc3f4243e7 100644
--- a/src/Umbraco.Core/Strings/IUrlSegmentProvider.cs
+++ b/src/Umbraco.Core/Strings/IUrlSegmentProvider.cs
@@ -7,7 +7,7 @@ namespace Umbraco.Core.Strings
     /// Provides url segments for content.
     /// </summary>
     /// <remarks>Url segments should comply with IETF RFCs regarding content, encoding, etc.</remarks>
-    internal interface IUrlSegmentProvider
+    public interface IUrlSegmentProvider
     {
         /// <summary>
         /// Gets the default url segment for a specified content.
diff --git a/src/Umbraco.Core/Strings/ShortStringHelperResolver.cs b/src/Umbraco.Core/Strings/ShortStringHelperResolver.cs
index 6725078359..2ad40342a6 100644
--- a/src/Umbraco.Core/Strings/ShortStringHelperResolver.cs
+++ b/src/Umbraco.Core/Strings/ShortStringHelperResolver.cs
@@ -5,7 +5,7 @@ namespace Umbraco.Core.Strings
 	/// <summary>
     /// Resolves the IShortStringHelper object
 	/// </summary>
-    internal sealed class ShortStringHelperResolver : SingleObjectResolverBase<ShortStringHelperResolver, IShortStringHelper>
+    public sealed class ShortStringHelperResolver : SingleObjectResolverBase<ShortStringHelperResolver, IShortStringHelper>
 	{
         /// <summary>
         /// Initializes a new instance of the <see cref="ShortStringHelperResolver"/> class with an instance of a helper.
diff --git a/src/Umbraco.Core/Strings/StringAliasCaseTypeExtensions.cs b/src/Umbraco.Core/Strings/StringAliasCaseTypeExtensions.cs
index 40f799922a..22fa20eea6 100644
--- a/src/Umbraco.Core/Strings/StringAliasCaseTypeExtensions.cs
+++ b/src/Umbraco.Core/Strings/StringAliasCaseTypeExtensions.cs
@@ -3,7 +3,7 @@
     /// <summary>
     /// Provides extension methods to StringAliasCaseType to facilitate migration to CleanStringType.
     /// </summary>
-    internal static class StringAliasCaseTypeExtensions
+    public static class StringAliasCaseTypeExtensions
     {
         /// <summary>
         /// Gets the CleanStringType value corresponding to the StringAliasCaseType value.
diff --git a/src/Umbraco.Core/Strings/UrlSegmentProviderResolver.cs b/src/Umbraco.Core/Strings/UrlSegmentProviderResolver.cs
index c302b01502..f545cd8b86 100644
--- a/src/Umbraco.Core/Strings/UrlSegmentProviderResolver.cs
+++ b/src/Umbraco.Core/Strings/UrlSegmentProviderResolver.cs
@@ -7,7 +7,7 @@ namespace Umbraco.Core.Strings
     /// <summary>
     /// Resolves IUrlSegmentProvider objects.
     /// </summary>
-    internal sealed class UrlSegmentProviderResolver : ManyObjectsResolverBase<UrlSegmentProviderResolver, IUrlSegmentProvider>
+    public sealed class UrlSegmentProviderResolver : ManyObjectsResolverBase<UrlSegmentProviderResolver, IUrlSegmentProvider>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="UrlSegmentProviderResolver"/> class with an initial list of provider types.