Move some classes and restructure.

src/WireMock/Matchers/Request/RequestMessageUrlMatcher.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Text.RegularExpressions;
+using JetBrains.Annotations;
+using WireMock.Validation;
+
+namespace WireMock.Matchers.Request
+{
+    /// <summary>
+    /// The request url matcher.
+    /// </summary>
+    public class RequestMessageUrlMatcher : IRequestMatcher
+    {
+        /// <summary>
+        /// The urlRegex.
+        /// </summary>
+        private readonly Regex _urlRegex;
+
+        /// <summary>
+        /// The url function
+        /// </summary>
+        private readonly Func<string, bool> _urlFunc;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RequestMessageUrlMatcher"/> class.
+        /// </summary>
+        /// <param name="url">
+        /// The url Regex pattern.
+        /// </param>
+        public RequestMessageUrlMatcher([NotNull, RegexPattern] string url)
+        {
+            Check.NotNull(url, nameof(url));
+            _urlRegex = new Regex(url);
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="RequestMessageUrlMatcher"/> class.
+        /// </summary>
+        /// <param name="func">
+        /// The url func.
+        /// </param>
+        public RequestMessageUrlMatcher(Func<string, bool> func)
+        {
+            Check.NotNull(func, nameof(func));
+            _urlFunc = func;
+        }
+
+        /// <summary>
+        /// Determines whether the specified RequestMessage is match.
+        /// </summary>
+        /// <param name="requestMessage">The RequestMessage.</param>
+        /// <returns>
+        ///   <c>true</c> if the specified RequestMessage is match; otherwise, <c>false</c>.
+        /// </returns>
+        public bool IsMatch(RequestMessage requestMessage)
+        {
+            return _urlRegex?.IsMatch(requestMessage.Url) ?? _urlFunc(requestMessage.Url);
+        }
+    }
+}