Added FindUniqueByPattern and FindAllbyPattern.

Added a new unit test to test ReplaceText, based on ReplaceTests.docx
The Test fails.  This functionality worked in the previous release.

DocX/Container.cs

@@ -207,6 +207,37 @@ namespace Novacode
             return list;
         }
 
+        /// <summary>
+        /// Find all unique instances of the given Regex Pattern,
+        /// returning the list of the unique strings found
+        /// </summary>
+        /// <param name="str"></param>
+        /// <param name="options"></param>
+        /// <returns></returns>
+        public virtual List<string> FindUniqueByPattern(string pattern, RegexOptions options)
+        {
+            List<string> rawResults = new List<string>();
+
+            foreach (Paragraph p in Paragraphs)
+            {   // accumulate the search results from all paragraphs
+                List<string> partials = p.FindAllByPattern(pattern, options);
+                rawResults.AddRange(partials);
+            }
+
+            // this dictionary is used to collect results and test for uniqueness
+            Dictionary<string, int> uniqueResults = new Dictionary<string, int>();
+            
+            foreach (string currValue in rawResults)
+            {
+                if (!uniqueResults.ContainsKey(currValue))
+                {   // if the dictionary doesn't have it, add it
+                    uniqueResults.Add(currValue, 0);
+                }
+            }
+
+            return uniqueResults.Keys.ToList();  // return the unique list of results
+        }
+
         public virtual void ReplaceText(string oldValue, string newValue, bool trackChanges = false, RegexOptions options = RegexOptions.None, Formatting newFormatting = null, Formatting matchFormatting = null, MatchFormattingOptions fo = MatchFormattingOptions.SubsetMatch)
         {
             // ReplaceText in Headers of the document.

DocX/DocX.csproj

@@ -47,7 +47,8 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <DocumentationFile>bin\Debug\DocX.xml</DocumentationFile>
+    <DocumentationFile>
+    </DocumentationFile>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">

DocX/Paragraph.cs

@@ -3186,6 +3186,25 @@ namespace Novacode
             return query;
         }
 
+        /// <summary>
+        ///  Find all unique instances of the given Regex Pattern
+        /// </summary>
+        /// <param name="str"></param>
+        /// <param name="options"></param>
+        /// <returns></returns>
+        public List<string> FindAllByPattern(string str, RegexOptions options)
+        {
+            MatchCollection mc = Regex.Matches(this.Text, str, options);
+
+            var query =
+            (
+                from m in mc.Cast<Match>()
+                select m.Value
+            ).ToList();
+
+            return query;
+        }
+
         /// <summary>
         /// Insert a PageNumber place holder into a Paragraph.
         /// This place holder should only be inserted into a Header or Footer Paragraph.

UnitTests/UnitTest1.cs

@@ -10,6 +10,7 @@ using System.Drawing;
 using System.Drawing.Imaging;
 using System.Xml.Linq;
 using System.IO.Packaging;
+using System.Text.RegularExpressions;
 
 namespace UnitTests
 {
@@ -36,6 +37,27 @@ namespace UnitTests
             directory_documents = String.Join("\\", steps) + "\\documents\\";
         }
 
+        [TestMethod]
+        public void PatternReplacement()
+        {
+            Dictionary<string, string> testPatterns = new Dictionary<string, string>()
+            {
+                {"COURT NAME","Fred Frump"}, 
+                {"Case Number","cr-md-2011-1234567"}
+            };
+        
+            using (DocX replaceDoc = DocX.Load(directory_documents + "ReplaceTests.docx"))
+            {
+                foreach (var p in testPatterns)
+                {
+                    replaceDoc.ReplaceText("<" + p.Key + ">", p.Value, false, RegexOptions.IgnoreCase);
+                }
+
+                replaceDoc.SaveAs(directory_documents + "ReplaceResults.docx");
+            }
+            
+        }
+
         [TestMethod]
         public void Test_EverybodyHasAHome_Loaded()
         {

UnitTests/UnitTests.csproj

@@ -67,12 +67,6 @@
     <None Include="documents\Tables.docx" />
     <None Include="documents\Template.dotx" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\DocX\DocX.csproj">
-      <Project>{E863D072-AA8B-4108-B5F1-785241B37F67}</Project>
-      <Name>DocX</Name>
-    </ProjectReference>
-  </ItemGroup>
   <ItemGroup>
     <Content Include="documents\green.jpg" />
     <Content Include="documents\orange.gif" />
@@ -80,6 +74,12 @@
     <Content Include="documents\red.bmp" />
     <Content Include="documents\yellow.tif" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\DocX\DocX.csproj">
+      <Project>{E863D072-AA8B-4108-B5F1-785241B37F67}</Project>
+      <Name>DocX</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.