Create WireMock.Net.MimePart project (#1300)

* Create WireMock.Net.MimePart project

* .

* REFACTOR

* ILRepack

* --

* ...

* x

* x

* .

* fix

* public class MimePartMatcher

* shared

* min

* .

* <!--<DelaySign>true</DelaySign>-->

* Update README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

src/WireMock.Net.Minimal/Util/HttpVersionParser.cs

@@ -0,0 +1,26 @@
+// Copyright © WireMock.Net
+
+using System.Text.RegularExpressions;
+using Stef.Validation;
+using WireMock.Constants;
+
+namespace WireMock.Util;
+
+/// <summary>
+/// https://en.wikipedia.org/wiki/HTTP
+/// </summary>
+internal static class HttpVersionParser
+{
+    private static readonly Regex HttpVersionRegex = new(@"HTTP/(\d+(\.\d+)?(?!\.))", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant | RegexOptions.Compiled, RegexConstants.DefaultTimeout);
+
+    /// <summary>
+    /// Try to extract the version (as a string) from the protocol.
+    /// </summary>
+    /// <param name="protocol">The protocol, something like "HTTP/1.1" or "HTTP/2".</param>
+    /// <returns>The version ("1.1" or "2") if found and valid, else empty string.</returns>
+    internal static string Parse(string protocol)
+    {
+        var match = HttpVersionRegex.Match(Guard.NotNull(protocol));
+        return match.Success ? match.Groups[1].Value : string.Empty;
+    }
+}