diff --git a/source/trx2junit.Core/Extensions/StringExtensions.cs b/source/trx2junit.Core/Extensions/StringExtensions.cs
deleted file mode 100644
index 99e5f3e..0000000
--- a/source/trx2junit.Core/Extensions/StringExtensions.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-// (c) gfoidl, all rights reserved
-
-using System.Diagnostics.CodeAnalysis;
-
-namespace gfoidl.Trx2Junit.Core;
-
-internal static class StringExtensions
-{
-    [return: NotNullIfNotNull("name")]
-    public static string? StripTypeInfo(this string? name)
-    {
-        if (name is null) return null;
-
-        int idx = name.LastIndexOf('.');
-        if (idx < 0)
-        {
-            return name;
-        }
-
-        return name[(idx + 1)..];
-    }
-}
diff --git a/source/trx2junit.Core/Internal/TypeInfoHelper.cs b/source/trx2junit.Core/Internal/TypeInfoHelper.cs
new file mode 100644
index 0000000..2077403
--- /dev/null
+++ b/source/trx2junit.Core/Internal/TypeInfoHelper.cs
@@ -0,0 +1,64 @@
+// (c) gfoidl, all rights reserved
+
+using System;
+using System.Diagnostics.CodeAnalysis;
+
+namespace gfoidl.Trx2Junit.Core;
+
+internal static class TypeInfoHelper
+{
+    [return: NotNullIfNotNull("name")]
+    public static string? StripTypeInfo(this string? name)
+    {
+        if (name is null) return null;
+
+        ReadOnlySpan<char> span = name;
+
+        int parenthesisIndex = span.IndexOf('(');
+        if (parenthesisIndex < 0)
+        {
+            return StripTypeInfo(span).ToString();
+        }
+
+        ReadOnlySpan<char> preParenthesis   = span.Slice(0, parenthesisIndex);
+        ReadOnlySpan<char> parenthisContent = span.Slice(parenthesisIndex);
+
+        preParenthesis = StripTypeInfo(preParenthesis);
+
+#if NET6_0_OR_GREATER
+        return string.Concat(preParenthesis, parenthisContent);
+#else
+        int finalLength = preParenthesis.Length + parenthisContent.Length;
+        unsafe
+        {
+            fixed (char* ptr0 = preParenthesis)
+            fixed (char* ptr1 = parenthisContent)
+            {
+                return string.Create(
+                    finalLength,
+                    ((IntPtr)ptr0, preParenthesis.Length, (IntPtr)ptr1, parenthisContent.Length),
+                    static (buffer, state) =>
+                    {
+                        ReadOnlySpan<char> s0 = new(state.Item1.ToPointer(), state.Item2);
+                        ReadOnlySpan<char> s1 = new(state.Item3.ToPointer(), state.Item4);
+
+                        s0.CopyTo(buffer);
+                        s1.CopyTo(buffer.Slice(s0.Length));
+                    }
+                );
+            }
+        }
+#endif
+    }
+    //-------------------------------------------------------------------------
+    private static ReadOnlySpan<char> StripTypeInfo(ReadOnlySpan<char> name)
+    {
+        int idx = name.LastIndexOf('.');
+        if (idx < 0)
+        {
+            return name;
+        }
+
+        return name.Slice(idx + 1);
+    }
+}
diff --git a/source/trx2junit.Core/trx2junit.Core.csproj b/source/trx2junit.Core/trx2junit.Core.csproj
index 9187317..6d071f9 100644
--- a/source/trx2junit.Core/trx2junit.Core.csproj
+++ b/source/trx2junit.Core/trx2junit.Core.csproj
@@ -3,6 +3,7 @@
     <PropertyGroup>
         <TargetFrameworks>net6.0;netstandard2.1</TargetFrameworks>
         <RootNamespace>gfoidl.Trx2Junit.Core</RootNamespace>
+        <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/tests/trx2junit.Core.Tests/Extensions/StringExtensionsTests/StripTypeInfo.cs b/tests/trx2junit.Core.Tests/Internal/TypeInfoHelperTests/StripTypeInfo.cs
similarity index 64%
rename from tests/trx2junit.Core.Tests/Extensions/StringExtensionsTests/StripTypeInfo.cs
rename to tests/trx2junit.Core.Tests/Internal/TypeInfoHelperTests/StripTypeInfo.cs
index b6b4220..137eb1d 100644
--- a/tests/trx2junit.Core.Tests/Extensions/StringExtensionsTests/StripTypeInfo.cs
+++ b/tests/trx2junit.Core.Tests/Internal/TypeInfoHelperTests/StripTypeInfo.cs
@@ -3,7 +3,7 @@
 using System.Collections.Generic;
 using NUnit.Framework;
 
-namespace gfoidl.Trx2Junit.Core.Tests.Extensions.StringExtensionsTests;
+namespace gfoidl.Trx2Junit.Core.Tests.Internal.TypeInfoHelperTests;
 
 [TestFixture]
 public class StripTypeInfo
@@ -21,11 +21,17 @@ private static IEnumerable<TestCaseData> Name_given___correct_Name_returned_Test
 
         yield return new TestCaseData("Method1")                .Returns("Method1");
         yield return new TestCaseData("Method1(arg: { a = 3 })").Returns("Method1(arg: { a = 3 })");
+        yield return new TestCaseData("Method1(3.14)")          .Returns("Method1(3.14)");
+        yield return new TestCaseData("Method1(3.14, 2.72)")    .Returns("Method1(3.14, 2.72)");
 
         yield return new TestCaseData("Class1.Method1")                .Returns("Method1");
         yield return new TestCaseData("Class1.Method1(arg: { a = 3 })").Returns("Method1(arg: { a = 3 })");
+        yield return new TestCaseData("Class1.Method1(3.14)")          .Returns("Method1(3.14)");
+        yield return new TestCaseData("Class1.Method1(3.14, 2.72)")    .Returns("Method1(3.14, 2.72)");
 
         yield return new TestCaseData("SimpleUnitTest.Class1.Method1")                .Returns("Method1");
         yield return new TestCaseData("SimpleUnitTest.Class1.Method1(arg: { a = 3 })").Returns("Method1(arg: { a = 3 })");
+        yield return new TestCaseData("SimpleUnitTest.Class1.Method1(3.14)")          .Returns("Method1(3.14)");
+        yield return new TestCaseData("SimpleUnitTest.Class1.Method1(3.14, 2.72)")    .Returns("Method1(3.14, 2.72)");
     }
 }