Move source files directly under src/ directory

src/Operator/PHP/NotMatches.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Wallabag\CoreBundle\Operator\PHP;
+
+/**
+ * Provides a "notmatches" operator used for tagging rules.
+ *
+ * It asserts that a given pattern is not contained in a subject, in a
+ * case-insensitive way.
+ *
+ * This operator will be used to compile tagging rules in PHP, usable
+ * directly on Entry objects for instance.
+ * It's registered in RulerZ using a service;
+ */
+class NotMatches
+{
+    public function __invoke($subject, $pattern)
+    {
+        return false === stripos($subject, $pattern);
+    }
+}