diff --git a/src/WireMock.Net/Matchers/RegexMatcher.cs b/src/WireMock.Net/Matchers/RegexMatcher.cs
index 9101a112..4e83c9e7 100644
--- a/src/WireMock.Net/Matchers/RegexMatcher.cs
+++ b/src/WireMock.Net/Matchers/RegexMatcher.cs
@@ -61,7 +61,8 @@ namespace WireMock.Matchers
             IgnoreCase = ignoreCase;
             MatchBehaviour = matchBehaviour;
 
-            RegexOptions options = RegexOptions.Compiled;
+            RegexOptions options = RegexOptions.Compiled | RegexOptions.Multiline;
+
             if (ignoreCase)
             {
                 options |= RegexOptions.IgnoreCase;