diff --git a/.gitignore b/.gitignore
index 9383c15d..85621708 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ Vagrantfile
 provision.sh
 .vagrant
 Makefile
+/nbproject
diff --git a/build/metrics.phar b/build/metrics.phar
index d2d8a372..698a5a4d 100755
Binary files a/build/metrics.phar and b/build/metrics.phar differ
diff --git a/src/Hal/Application/Command/RunMetricsCommand.php b/src/Hal/Application/Command/RunMetricsCommand.php
index 6ca24b4a..380bc6bc 100644
--- a/src/Hal/Application/Command/RunMetricsCommand.php
+++ b/src/Hal/Application/Command/RunMetricsCommand.php
@@ -42,28 +42,31 @@ protected function configure()
                 ->setName('metrics')
                 ->setDescription('Run analysis')
                 ->addArgument(
-                        'path', InputArgument::REQUIRED, 'Path to explore'
+                    'path', InputArgument::REQUIRED, 'Path to explore'
                 )
                 ->addOption(
-                        'report-html',null, InputOption::VALUE_REQUIRED, 'Path to save report in HTML format. Example: /tmp/report.html'
+                    'report-html',null, InputOption::VALUE_REQUIRED, 'Path to save report in HTML format. Example: /tmp/report.html'
                 )
                 ->addOption(
-                        'report-xml', null, InputOption::VALUE_REQUIRED, 'Path to save summary report in XML format. Example: /tmp/report.xml'
+                    'report-xml', null, InputOption::VALUE_REQUIRED, 'Path to save summary report in XML format. Example: /tmp/report.xml'
                 )
                 ->addOption(
                     'violations-xml', null, InputOption::VALUE_REQUIRED, 'Path to save violations in XML format. Example: /tmp/report.xml'
                 )
                 ->addOption(
-                        'report-csv', null, InputOption::VALUE_REQUIRED, 'Path to save summary report in CSV format. Example: /tmp/report.csv'
+                    'report-csv', null, InputOption::VALUE_REQUIRED, 'Path to save summary report in CSV format. Example: /tmp/report.csv'
                 )
                 ->addOption(
-                        'level', null, InputOption::VALUE_REQUIRED, 'Depth of summary report', 0
+                    'level', null, InputOption::VALUE_REQUIRED, 'Depth of summary report', 0
                 )
                 ->addOption(
-                        'extensions', null, InputOption::VALUE_REQUIRED, 'Regex of extensions to include', 'php'
+                    'extensions', null, InputOption::VALUE_REQUIRED, 'Regex of extensions to include', 'php'
                 )
                 ->addOption(
-                        'without-oop', null, InputOption::VALUE_NONE, 'If provided, tool will not extract any informations about OOP model (faster)'
+                    'excludedDirs', null, InputOption::VALUE_REQUIRED, 'Regex of subdirectories to exclude', 'Tests|Features'
+                )
+                ->addOption(
+                    'without-oop', null, InputOption::VALUE_NONE, 'If provided, tool will not extract any informations about OOP model (faster)'
                 )
         ;
     }
@@ -80,7 +83,10 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $level = $input->getOption('level');
 
         // files
-        $finder = new Finder($input->getOption('extensions'));
+        $finder = new Finder(
+            $input->getOption('extensions'),
+            $input->getOption('excludedDirs')
+        );
 
         // rules
         $rules = new \Hal\Application\Rule\RuleSet();
diff --git a/src/Hal/Component/File/Finder.php b/src/Hal/Component/File/Finder.php
index babd2413..9cce921a 100644
--- a/src/Hal/Component/File/Finder.php
+++ b/src/Hal/Component/File/Finder.php
@@ -9,6 +9,10 @@
 
 namespace Hal\Component\File;
 
+use RecursiveDirectoryIterator;
+use RecursiveIteratorIterator;
+use RegexIterator;
+
 /**
  * File finder
  *
@@ -18,18 +22,27 @@ class Finder
 {
 
     /**
-     * Extensions to match
+     * Extensions to match (regex)
      *
      * @var string
      */
     private $extensions;
 
     /**
-     * @param string $extensions regex
+     * Subdirectories to exclude (regex)
+     *
+     * @var string
+     */
+    private $excludedDirs;
+
+    /**
+     * @param string $extensions   regex of file extensions to include
+     * @param string $excludedDirs regex of directories to exclude
      */
-    function __construct($extensions = 'php')
+    function __construct($extensions = 'php', $excludedDirs = '')
     {
         $this->extensions = (string) $extensions;
+        $this->excludedDirs = (string) $excludedDirs;
     }
 
     /**
@@ -38,14 +51,27 @@ function __construct($extensions = 'php')
      * @param string $path
      * @return array
      */
-    public function find($path) {
+    public function find($path)
+    {
         $files = array();
         if(is_dir($path)) {
             $path = rtrim($path, DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
-            $directory = new \RecursiveDirectoryIterator($path);
-            $iterator = new \RecursiveIteratorIterator($directory);
-            $regex = new \RegexIterator($iterator, '/^.+\.('. $this->extensions .')$/i', \RecursiveRegexIterator::GET_MATCH);
-            foreach($regex as $file) {
+            $directory = new RecursiveDirectoryIterator($path);
+            $iterator = new RecursiveIteratorIterator($directory);
+
+            $filterRegex = sprintf(
+                '`^%s%s$`',
+                !empty($this->excludedDirs) ? '((?!'.$this->excludedDirs.').)+' : '.+',
+                '\.(' . $this->extensions . ')'
+            );
+
+            $filteredIterator = new RegexIterator(
+                $iterator,
+                $filterRegex,
+                \RecursiveRegexIterator::GET_MATCH
+            );
+
+            foreach($filteredIterator as $file) {
                 $files[] = $file[0];
             }
         } elseif(is_file($path)) {
@@ -53,4 +79,4 @@ public function find($path) {
         }
         return $files;
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Hal/Component/File/FinderTest.php b/tests/Hal/Component/File/FinderTest.php
index fa8c3148..eeb6f4e5 100644
--- a/tests/Hal/Component/File/FinderTest.php
+++ b/tests/Hal/Component/File/FinderTest.php
@@ -10,17 +10,30 @@ class FinderTest extends \PHPUnit_Framework_TestCase {
 
     private $toExplore;
 
-    public function setup() {
+    protected function setup() {
         $this->toExplore = sys_get_temp_dir().'/metrics-tmp-finder';
         if(!file_exists($this->toExplore)) {
             mkdir($this->toExplore);
+            mkdir($this->toExplore . '/toExclude');
             file_put_contents($this->toExplore.'/tmp.php', "<?php echo 'ok';");
             file_put_contents($this->toExplore.'/tmp2.php', "<?php echo 'ok';");
             file_put_contents($this->toExplore.'/tmp3.php', "<?php echo 'ok';");
             file_put_contents($this->toExplore.'/tmp4.txt', "<?php echo 'ok';");
+            file_put_contents($this->toExplore.'/toExclude/tmp.php', "<?php echo 'test';");
         }
     }
 
+    protected function tearDown()
+    {
+        unlink($this->toExplore.'/tmp.php');
+        unlink($this->toExplore.'/tmp2.php');
+        unlink($this->toExplore.'/tmp3.php');
+        unlink($this->toExplore.'/tmp4.txt');
+        unlink($this->toExplore.'/toExclude/tmp.php');
+        rmdir($this->toExplore.'/toExclude');
+        rmdir($this->toExplore);
+    }
+
     public function testICanFindFilesByExtension() {
         $finder = new Finder('txt');
         $results = $finder->find($this->toExplore);
@@ -36,6 +49,13 @@ public function testICanGiveFilepathInsteadOfDirectory() {
     public function testIFindPhpFilesByDefault() {
         $finder = new Finder();
         $results = $finder->find($this->toExplore);
+        $this->assertEquals(4, sizeof($results));
+    }
+
+    public function testIDontFindFilesFromExcludedDirs()
+    {
+        $finder = new Finder('php', 'toExclude');
+        $results = $finder->find($this->toExplore);
         $this->assertEquals(3, sizeof($results));
     }
-}
\ No newline at end of file
+}