diff --git a/src/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php b/src/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php
index 7f2a52fbcd810..4d73b32c34d20 100644
--- a/src/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php
+++ b/src/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php
@@ -216,7 +216,7 @@ private function buildPathsFiltering(Command $command, $dir, array $paths, $not
             // Fixes 'not search' regex problems.
             if ($expr->isRegex()) {
                 $regex = $expr->getRegex();
-                $regex->prepend($regex->hasStartFlag() ? $dir.DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
+                $regex->prepend($regex->hasStartFlag() ? preg_quote($dir).DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
             } else {
                 $expr->prepend('*')->append('*');
             }
@@ -247,7 +247,7 @@ private function buildSizesFiltering(Command $command, array $sizes)
                     $command->add('-size -'.($size->getTarget() + 1).'c');
                     break;
                 case '>=':
-                    $command->add('-size +'. ($size->getTarget() - 1).'c');
+                    $command->add('-size +'.($size->getTarget() - 1).'c');
                     break;
                 case '>':
                     $command->add('-size +'.$size->getTarget().'c');
diff --git a/src/Symfony/Component/Finder/Tests/FinderTest.php b/src/Symfony/Component/Finder/Tests/FinderTest.php
index 598821d24f521..924c67bd897c0 100644
--- a/src/Symfony/Component/Finder/Tests/FinderTest.php
+++ b/src/Symfony/Component/Finder/Tests/FinderTest.php
@@ -569,6 +569,20 @@ public function testIteratorKeys(Adapter\AdapterInterface $adapter)
         }
     }
 
+    /**
+     * @dataProvider getAdaptersTestData
+     */
+    public function testRegexSpecialCharsLocationWithPathRestrictionContainingStartFlag(Adapter\AdapterInterface $adapter)
+    {
+        $finder = $this->buildFinder($adapter);
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'r+e.g?e*x[c]a(r)s')
+            ->path('/^dir/');
+
+        $expected = array('r+e.g?e*x[c]a(r)s'.DIRECTORY_SEPARATOR.'dir',
+                          'r+e.g?e*x[c]a(r)s'.DIRECTORY_SEPARATOR.'dir'.DIRECTORY_SEPARATOR.'bar.dat',);
+        $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
+    }
+
     public function testAdaptersOrdering()
     {
         $finder = Finder::create()
@@ -673,7 +687,7 @@ public function getTestPathData()
         $tests = array(
             array('', '', array()),
             array('/^A\/B\/C/', '/C$/',
-                array('A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat')
+                array('A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat'),
             ),
             array('/^A\/B/', 'foobar',
                 array(
@@ -681,7 +695,7 @@ public function getTestPathData()
                     'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
                     'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat',
                     'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
-                )
+                ),
             ),
             array('A/B/C', 'foobar',
                 array(
@@ -689,7 +703,7 @@ public function getTestPathData()
                     'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
                     'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
                     'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat.copy',
-                )
+                ),
             ),
             array('A/B', 'foobar',
                 array(
@@ -703,12 +717,12 @@ public function getTestPathData()
                     'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
                     'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat.copy',
                     'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat.copy',
-                )
+                ),
             ),
             array('/^with space\//', 'foobar',
                 array(
                     'with space'.DIRECTORY_SEPARATOR.'foo.txt',
-                )
+                ),
             ),
         );
 
@@ -808,7 +822,7 @@ private function getValidAdapters()
             array(
                 new Adapter\BsdFindAdapter(),
                 new Adapter\GnuFindAdapter(),
-                new Adapter\PhpAdapter()
+                new Adapter\PhpAdapter(),
             ),
             function (Adapter\AdapterInterface $adapter) {
                 return $adapter->isSupported();
diff --git a/src/Symfony/Component/Finder/Tests/Fixtures/r+e.g?e*x[c]a(r)s/dir/bar.dat b/src/Symfony/Component/Finder/Tests/Fixtures/r+e.g?e*x[c]a(r)s/dir/bar.dat
new file mode 100644
index 0000000000000..e69de29bb2d1d