diff --git a/src/Symfony/Component/HttpFoundation/RequestMatcher.php b/src/Symfony/Component/HttpFoundation/RequestMatcher.php
index b4bc880d4a..769ca66ecd 100644
--- a/src/Symfony/Component/HttpFoundation/RequestMatcher.php
+++ b/src/Symfony/Component/HttpFoundation/RequestMatcher.php
@@ -136,20 +136,16 @@ class RequestMatcher implements RequestMatcherInterface
         }
 
         foreach ($this->attributes as $key => $pattern) {
-            if (!preg_match('#'.str_replace('#', '\\#', $pattern).'#', $request->attributes->get($key))) {
+            if (!preg_match('{'.$pattern.'}', $request->attributes->get($key))) {
                 return false;
             }
         }
 
-        if (null !== $this->path) {
-            $path = str_replace('#', '\\#', $this->path);
-
-            if (!preg_match('#'.$path.'#', rawurldecode($request->getPathInfo()))) {
-                return false;
-            }
+        if (null !== $this->path && !preg_match('{'.$this->path.'}', rawurldecode($request->getPathInfo()))) {
+            return false;
         }
 
-        if (null !== $this->host && !preg_match('#'.str_replace('#', '\\#', $this->host).'#i', $request->getHost())) {
+        if (null !== $this->host && !preg_match('{'.$this->host.'}i', $request->getHost())) {
             return false;
         }