diff --git a/app/Http/Controllers/HomeController.php b/app/Http/Controllers/HomeController.php
index 5268516..9fa67a5 100644
--- a/app/Http/Controllers/HomeController.php
+++ b/app/Http/Controllers/HomeController.php
@@ -3,6 +3,9 @@
 namespace App\Http\Controllers;
 
 use App\Post;
+use App\PostsTag;
+use App\Services\TagDetectorService;
+use App\Tag;
 use DateTime;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Support\Facades\Redirect;
@@ -33,35 +36,51 @@ class HomeController extends Controller
         $today_post = Post::whereDate('date_post', '=', $today->format('Y-m-d'))
             ->where('user_id', $user_id)
             ->count();
-        
+
         $already = false;
         if ($today_post > 0) {
             $already = true;
         }
-        
+
         return view('home', [
             'already' => $already,
             'today' => $today,
             'posts' => $posts,
         ]);
     }
-    
-    public function store()
+
+    public function store(TagDetectorService $tag_detector)
     {
         $today = new DateTime();
-        
+
         $data = request()->validate([
             'message' => 'required'
         ]);
-        
+
         $data = [
             'user_id'   => Auth::user()->getAuthIdentifier(),
             'date_post' => new DateTime(), // Take back the date from the form ?
             'content'   => $data['message'],
         ];
-    
+
+        $tags = $tag_detector->detectFrom($data['content']);
+
         $check = Post::create($data);
-        
+        $all_tags = Tag::all();
+        $all_tags_names = [];
+        foreach ($all_tags as $tag) {
+            $all_tags_names[$tag->id] = $tag->name;
+        }
+
+        foreach ($tags as $tag) {
+            if (in_array($tag, $all_tags_names)) {
+                PostsTag::create([
+                    'post_id' => $check->id,
+                    'tag_id' => array_search($tag, $all_tags_names),
+                ]);
+            }
+        }
+
         return Redirect::to('home')->withSuccess('Great! Form successfully submit with validation.');
     }
 }
diff --git a/app/Http/Controllers/StatsController.php b/app/Http/Controllers/StatsController.php
new file mode 100644
index 0000000..a40a188
--- /dev/null
+++ b/app/Http/Controllers/StatsController.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+class StatsController extends Controller
+{
+    public function tag($tag = null)
+    {
+        // TODO
+        exit;
+    }
+}
diff --git a/app/Providers/TagDetectorProvider.php b/app/Providers/TagDetectorProvider.php
new file mode 100644
index 0000000..1bc41b2
--- /dev/null
+++ b/app/Providers/TagDetectorProvider.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Providers;
+
+use App\Services\TagDetectorService;
+use Illuminate\Support\ServiceProvider;
+
+class TagDetectorProvider extends ServiceProvider
+{
+    /**
+     * Register services.
+     *
+     * @return void
+     */
+    public function register()
+    {
+        $this->app->bind(TagDetectorService::class);
+    }
+
+    /**
+     * Bootstrap services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        //
+    }
+}
diff --git a/app/Services/TagDetectorService.php b/app/Services/TagDetectorService.php
new file mode 100644
index 0000000..fa3fdb5
--- /dev/null
+++ b/app/Services/TagDetectorService.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Services;
+
+class TagDetectorService
+{
+    public const REGEX_FIND = '/\s#([^\s]+)(?:\s|$)/m';
+    public const REGEX_REPLACE = '/\s(#[^\s]+)(?:\s|$)/m';
+
+    /**
+     * @param string $text
+     *
+     * @return array
+     */
+    public function detectFrom($text)
+    {
+        if (preg_match_all(self::REGEX_FIND, $text, $tags) !== false) {
+            return $tags[1];
+        }
+
+        return [];
+    }
+
+    /**
+     * @param string $text
+     *
+     * @return string|string[]|null
+     */
+    public function linkTagFrom($text)
+    {
+        return preg_replace(
+            self::REGEX_FIND, str_replace('$1', '$1', sprintf(' <a href="%s/%s">%s</a> ', url('stats'), '$1', '#$1')),
+            $text
+        );
+    }
+}
diff --git a/config/app.php b/config/app.php
index 2bf6bda..7e4d3a8 100644
--- a/config/app.php
+++ b/config/app.php
@@ -175,6 +175,8 @@ return [
         App\Providers\EventServiceProvider::class,
         App\Providers\RouteServiceProvider::class,
 
+        \App\Providers\TagDetectorProvider::class,
+
     ],
 
     /*
diff --git a/resources/views/home.blade.php b/resources/views/home.blade.php
index cfcfed1..dd2e4c0 100644
--- a/resources/views/home.blade.php
+++ b/resources/views/home.blade.php
@@ -1,5 +1,7 @@
 @extends('layouts.app')
 
+@inject('tag_detector', 'App\Services\TagDetectorService)
+
 @section('content')
 <div class="container">
     <div class="row justify-content-center">
@@ -39,7 +41,7 @@
                     @foreach($posts as $post)
                         <div class="post">
                             <p>{{ \Carbon\Carbon::instance($post->date_post)->diffForHumans() }}</p>
-                            <p>{{ $post->content }}</p>
+                            <p>{!! $tag_detector->linkTagFrom($post->content) !!}</p>
                         </div>
                     @endforeach
                 </div>
diff --git a/routes/web.php b/routes/web.php
index 0af147d..3f6eb2a 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -16,3 +16,4 @@ Auth::routes();
 Route::get('/', 'WelcomeController@index')->name('home');
 Route::get('/home', 'HomeController@index')->name('dashboard');
 Route::post('store', 'HomeController@store')->name('store');
+Route::post('stats', 'StatsController@tag')->name('stats'); // TODO make a group for stats