Add overloads to AtUrl and AtAbsoluteUrl which can use a IStringMatcher (#1221)

src/WireMock.Net/Matchers/MatcherExtensions.cs

@@ -0,0 +1,20 @@
+// Copyright © WireMock.Net
+
+namespace WireMock.Matchers;
+
+/// <summary>
+/// Provides some extension methods for matchers.
+/// </summary>
+public static class MatcherExtensions
+{
+    /// <summary>
+    /// Determines if the match result is a perfect match.
+    /// </summary>
+    /// <param name="matcher">The string matcher.</param>
+    /// <param name="input">The input string to match.</param>
+    /// <returns><c>true</c>> if the match is perfect; otherwise, <c>false</c>>.</returns>
+    public static bool IsPerfectMatch(this IStringMatcher matcher, string? input)
+    {
+        return matcher.IsMatch(input).IsPerfect();
+    }
+}