Apply-bold-formatting-to-the-content-between-placeholders

Find-and-Replace/Apply-bold-between-placeholder/Apply-bold-between-placeholder.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35309.182
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Apply-bold-between-placeholder", "Apply-bold-between-placeholder\Apply-bold-between-placeholder.csproj", "{6CFD18EF-7889-4C29-A964-0FB48FBEEDFC}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{6CFD18EF-7889-4C29-A964-0FB48FBEEDFC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6CFD18EF-7889-4C29-A964-0FB48FBEEDFC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6CFD18EF-7889-4C29-A964-0FB48FBEEDFC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6CFD18EF-7889-4C29-A964-0FB48FBEEDFC}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {2127D849-B1E6-4BC4-8628-B8D6F0142835}
+	EndGlobalSection
+EndGlobal

Find-and-Replace/Apply-bold-between-placeholder/Apply-bold-between-placeholder/Apply-bold-between-placeholder.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Apply_bold_between_placeholder</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Syncfusion.DocIO.NET" Version="*" />
+	</ItemGroup>
+
+	<ItemGroup>
+		<None Update="Data\Template.docx">
+		  <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</None>
+		<None Update="Output\.gitkeep">
+			<CopyToOutputDirectory>Always</CopyToOutputDirectory>
+		</None>
+	</ItemGroup>
+
+</Project>

Find-and-Replace/Apply-bold-between-placeholder/Apply-bold-between-placeholder/Output/.gitkeep

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+

Find-and-Replace/Apply-bold-between-placeholder/Apply-bold-between-placeholder/Program.cs

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+using Syncfusion.DocIO.DLS;
+using Syncfusion.DocIO;
+using System.Text.RegularExpressions;
+
+using (FileStream inputFileStream = new FileStream(Path.GetFullPath(@"Data/Template.docx"), FileMode.Open, FileAccess.Read))
+{
+    // Create a WordDocument instance by loading the DOCX file from the file stream.
+    using (WordDocument document = new WordDocument(inputFileStream, FormatType.Docx))
+    {
+        // Apply bold formatting to specific text using a regular expression.
+        ApplyBoldFormatting(document);
+
+        // Save the modified document to an output file.
+        using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Result.docx"), FileMode.OpenOrCreate, FileAccess.ReadWrite))
+        {
+            // Save the modified Word document to the specified file path.
+            document.Save(outputFileStream, FormatType.Docx);
+        }
+    }
+}
+
+/// <summary>
+/// Applies bold formatting to text enclosed in <b>...</b> tags in the Word document.
+/// </summary>
+static void ApplyBoldFormatting(WordDocument document)
+{
+    // Define a regular expression to find all occurrences of <b>...</b>.
+    Regex regex = new Regex("<b>(.*?)</b>");
+
+    // Find all matches of the regex pattern in the document.
+    TextSelection[] matches = document.FindAll(regex);
+
+    // Iterate through each match found in the document.
+    foreach (TextSelection match in matches)
+    {
+        // Get the entire text range of the matched content.
+        WTextRange textRange = match.GetAsOneRange();
+
+        // Extract the full text of the match.
+        string fullText = textRange.Text;
+
+        // Define the length of the opening tag <b>.
+        int startTagLength = "<b>".Length;
+
+        // Find the index of the closing tag </b>.
+        int endTagIndex = fullText.LastIndexOf("</b>");
+
+        // Extract the opening tag, bold text, and closing tag as separate strings.
+        string startTag = fullText.Substring(0, startTagLength);
+        string boldText = fullText.Substring(startTagLength, endTagIndex - startTagLength);
+        string endTag = fullText.Substring(endTagIndex);
+
+        // Create new text ranges for each part (opening tag, bold text, and closing tag).
+        WTextRange startTextRange = CreateTextRange(textRange, startTag);
+        WTextRange boldTextRange = CreateTextRange(textRange, boldText);
+        WTextRange endTextRange = CreateTextRange(textRange, endTag);
+
+        // Apply bold formatting to the text range containing the bold text.
+        boldTextRange.CharacterFormat.Bold = true;
+
+        // Replace the original text range with the newly created text ranges in the paragraph.
+        WParagraph paragraph = textRange.OwnerParagraph;
+
+        // Get the index of the original text range within the paragraph.
+        int index = paragraph.ChildEntities.IndexOf(textRange);
+
+        // Remove the original text range from the paragraph.
+        paragraph.ChildEntities.RemoveAt(index);
+
+        // Insert the new text ranges (in order: closing tag, bold text, opening tag) into the paragraph.
+        paragraph.ChildEntities.Insert(index, endTextRange);
+        paragraph.ChildEntities.Insert(index, boldTextRange);
+        paragraph.ChildEntities.Insert(index, startTextRange);
+    }
+}
+
+/// <summary>
+/// Creates a new text range with the specified text, copying formatting from the original range.
+/// </summary>
+static WTextRange CreateTextRange(WTextRange original, string text)
+{
+    // Clone the original text range to preserve its formatting.
+    WTextRange newTextRange = original.Clone() as WTextRange;
+
+    // Set the text for the new text range.
+    newTextRange.Text = text;
+
+    return newTextRange;
+}