diff --git a/src/DocLinkChecker/DocLinkChecker.Test/Helpers/MarkdownExtensions.cs b/src/DocLinkChecker/DocLinkChecker.Test/Helpers/MarkdownExtensions.cs
index 4ca6ab4..a332894 100644
--- a/src/DocLinkChecker/DocLinkChecker.Test/Helpers/MarkdownExtensions.cs
+++ b/src/DocLinkChecker/DocLinkChecker.Test/Helpers/MarkdownExtensions.cs
@@ -48,6 +48,17 @@ internal static string AddLink(this string s, string url)
             return s + Environment.NewLine + content;
         }
 
+        internal static string AddCodeLink(this string s, string name, string url)
+        {
+            Faker faker = new Faker();
+            string content = $" [!code-csharp[{name}]({url})]" + Environment.NewLine;
+            if (string.IsNullOrEmpty(s))
+            {
+                return content;
+            }
+            return s + Environment.NewLine + content;
+        }
+
         internal static string AddTableStart(this string s, int columns = 3)
         {
             Faker faker = new Faker();
@@ -102,5 +113,14 @@ internal static string AddRawMarkdown(this string s, string markdown)
             }
             return s + markdown;
         }
+
+        internal static string AddRawContent(this string s, string content)
+        {
+            if (string.IsNullOrEmpty(s))
+            {
+                return content;
+            }
+            return s + content;
+        }
     }
 }
diff --git a/src/DocLinkChecker/DocLinkChecker.Test/MarkdownTests.cs b/src/DocLinkChecker/DocLinkChecker.Test/MarkdownTests.cs
index 85837c7..9c713d6 100644
--- a/src/DocLinkChecker/DocLinkChecker.Test/MarkdownTests.cs
+++ b/src/DocLinkChecker/DocLinkChecker.Test/MarkdownTests.cs
@@ -1,6 +1,7 @@
-namespace DocLinkChecker.Test
+namespace DocLinkChecker.Test
 {
     using System.Linq;
+    using Bogus;
     using DocLinkChecker.Helpers;
     using DocLinkChecker.Models;
     using DocLinkChecker.Test.Helpers;
@@ -81,6 +82,31 @@ public void FindAllHeadings()
             headings.Count.Should().Be(6);
         }
 
+        [Fact]
+        public void FindAllHeadingsWithUnicodeCharacters()
+        {
+            string markdown = string.Empty
+                .AddHeading("Test Unicode Characters", 1)
+                .AddParagraphs(1).AddLink("#")
+                .AddHeading("abcdefghijklmnopqrstuvwxyz 0123456789", 2)
+                .AddParagraphs(1)
+                .AddHeading("ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789", 2)
+                .AddParagraphs(1)
+                .AddHeading("UNICODE-!@#$%^&*+=~`<>,.?/:;€|Æäßéóčúįǯ-CHARS", 2)
+                .AddParagraphs(1);
+
+            var result = MarkdownHelper.ParseMarkdownString(string.Empty, markdown, true);
+
+            var headings = result.objects
+                .OfType<Heading>()
+                .ToList();
+
+            headings.Count.Should().Be(4);
+            headings[1].Id.Should().Be("abcdefghijklmnopqrstuvwxyz-0123456789");
+            headings[2].Id.Should().Be("abcdefghijklmnopqrstuvwxyz-0123456789");
+            headings[3].Id.Should().Be("unicode-æäßéóčúįǯ-chars");
+        }
+
         [Fact]
         public void FindAllTables()
         {
diff --git a/src/DocLinkChecker/DocLinkChecker/Helpers/MarkdownHelper.cs b/src/DocLinkChecker/DocLinkChecker/Helpers/MarkdownHelper.cs
index 9abee37..1979c30 100644
--- a/src/DocLinkChecker/DocLinkChecker/Helpers/MarkdownHelper.cs
+++ b/src/DocLinkChecker/DocLinkChecker/Helpers/MarkdownHelper.cs
@@ -80,7 +80,9 @@ public static (List<MarkdownObjectBase> objects, List<MarkdownError> errors)
                     // custom generation of the id
                     string id = title.ToLower();
                     id = Regex.Replace(id, "[ _]", "-");
-                    id = Regex.Replace(id, "[^a-zA-Z0-9-]*", string.Empty);
+
+                    // replace all non-characters. \p[L] takes all unicode variants in account as well like ö and á
+                    id = Regex.Replace(id, @"[^\p{L}0-9-]*", string.Empty);
 
                     return new Heading(markdownFilePath, x.Line + 1, x.Column + 1, title, id);
                 })
diff --git a/src/DocLinkChecker/DocLinkChecker/Properties/launchSettings.json b/src/DocLinkChecker/DocLinkChecker/Properties/launchSettings.json
deleted file mode 100644
index 84dd06f..0000000
--- a/src/DocLinkChecker/DocLinkChecker/Properties/launchSettings.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "profiles": {
-    "DocLinkChecker": {
-      "commandName": "Project",
-      "commandLineArgs": "-d \"D:\\Git\\CSE\\LSEG\\LSEG-ef-doc\\docs\" -tavx -f \"D:\\Git\\CSE\\ZF\\DMPwork\\docfx-companion-tools.json\""
-    }
-  }
-}
\ No newline at end of file