diff --git a/README.md b/README.md
index 467274622b8da1c60d8e30837dc3c818aa63e0e6..6349b460be443676e76031611e5991162c4afaf2 100644
--- a/README.md
+++ b/README.md
@@ -18,9 +18,11 @@ Accédez au dossier contenant le serveur Node
 Installez les dépendances
 
 `npm install`
+`npm install nodemon`
 
 Démarrez le serveur Node
 
+`npm start` si vous avez installé nodemon sinon
 `node server.js`
 
 Vous pouvez ensuite visualiser le site en local sur un navigateur: **localhost:8080**
diff --git a/backend/server.js b/backend/server.js
index 614be0ca6d1f9f55519f278890de6e7e986e8acc..cabc09df11bc26e5a36bf8faf3dc7588f1cb6f42 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -98,16 +98,17 @@ app.get(config.rootApi + "pokemons",function (req,res){
 
 
 app.post('/register', async (req, res) => {
+    console.log(req.body);
     
     try{
-        let foundUser = users.find((data) => req.body.email === data.email);
+        let foundUser = users.find((data) => req.body.e === data.email);
         if (!foundUser) {
 
-            let hashPassword = await bcrypt.hash(req.body.password, 10);
+            let hashPassword = await bcrypt.hash(req.body.p, 10);
 
             let newUser = {
-                username: req.body.username,
-                email: req.body.email,
+                username: req.body.u,
+                email: req.body.e,
                 password: hashPassword,
                 cart:[]
             };
diff --git a/frontend/js/reg.js b/frontend/js/reg.js
index 6b5d20f3c90a5cdbc9dae48546a7cc3282ffe1cb..4c5bda3ae2259422ecf0f484f7d7555886a1f64c 100644
--- a/frontend/js/reg.js
+++ b/frontend/js/reg.js
@@ -1,34 +1,60 @@
-document.getElementsByClassName("btn")[0].onclick = async function(){
 
 
-    let email = document.getElementById("email").value;
-    let password = document.getElementById("password").value;
-    let username = document.getElementById("username").value;
 
-    if(email === "" || password === "" || username === ""){
-        document.getElementsByClassName("text")[0].innerHTML = "Some fields aren't completed"
-        return 0;
-    }
 
-    let data = {email, password, username};
+document.getElementsByClassName("btn")[0].onclick = async function(){
 
-    const response = await fetch("http://localhost:8081/register", {
-    method: "POST", 
-    headers: {
-        'Content-Type': 'application/json'
-    },
-    body: JSON.stringify(data)
-    })
 
-    const json = await response.json();
+    let email = document.getElementById("email");
+    let password = document.getElementById("password");
+    let username = document.getElementById("username");
 
-    if(json.msg === "invalid"){
-        document.getElementsByClassName("text")[0].innerHTML = "User already registered"
+    if(email.value === "" || password.value === "" || username.value === ""){
+        document.getElementsByClassName("text")[0].innerHTML = "Some fields aren't filled"
+        return 0;
     }
-    else if(json.msg === "error"){
-        document.getElementsByClassName("text")[0].innerHTML = "An error occured"
+
+    
+
+    if(!email.checkValidity()){
+        document.getElementsByClassName("text")[0].innerHTML = "Email doesn't exist"
+        return 0;
+    }else if(!username.checkValidity()){
+        document.getElementsByClassName("text")[0].innerHTML = "The username must be longer than 6 letters and lower than 12"
+        return 0;
+    }else if(!password.checkValidity()){
+        document.getElementsByClassName("text")[0].innerHTML = "The password must be longer than 7 letters and have at least one Uppercase and digit"
+        return 0;
     }
     else{
-        window.location.href = "login.html"
+
+        let e = email.value;
+        let p = password.value;
+        let u = username.value;
+
+        let data = {e, p, u}
+
+        const response = await fetch("http://localhost:8081/register", {
+        method: "POST", 
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify(data)
+        })
+
+        const json = await response.json();
+
+        if(json.msg === "invalid"){
+            document.getElementsByClassName("text")[0].innerHTML = "User already registered"
+        }
+        else if(json.msg === "error"){
+            document.getElementsByClassName("text")[0].innerHTML = "An error occured"
+        }
+        else{
+            window.location.href = "login.html"
+        }
+
     }
-}
\ No newline at end of file
+
+    
+}
diff --git a/frontend/registration.html b/frontend/registration.html
index fee6e23aa326c06ec6ab915687c93e769e2c2a35..778bc7b640eb447513255092d93616f131cc7a8c 100644
--- a/frontend/registration.html
+++ b/frontend/registration.html
@@ -7,35 +7,38 @@
 
     <link rel="stylesheet" href="css/register.css">
     <title>Register</title>
+
+    
 </head>
 <body>
 
     <main>
 
       <div class="form">
-        <form action="/register" method="POST" class="login-box">
+        <form action="#" method="#" class="login-box">
         
           <h1>Sign up</h1>
               
           <label for="email"> Adresse mail </label>
           <div class="textbox">
             <i class="fa fa-envelope" aria-hidden="true"></i>
-            <input type="email" id ="email" name="email" placeholder="JPSartre@gmail.com" required="@">
+            <input type="email" id ="email" name="email" placeholder="JPSartre@gmail.com" required="@" pattern="[A-Za-z0-9\._-]+@([A-Za-z]+\.[A-Za-z]+)+">
           </div>
               
               
           <label for="username"> username </label>
           <div class="textbox">
             <i class="fa fa-user" aria-hidden="true"></i>
-            <input type="text" id ="username" name="username" placeholder="jpdu75" required="">
+            <input type="text" id ="username" name="username" placeholder="jpdu75" required="" pattern="[A-Za-z0-9]{6,12}">
           </div>
             
           <label for="street"> Password </label>
            
           <div class="textbox">
             <i class="fa fa-lock" aria-hidden="true"></i>
-            <input type="password" id ="password" name="password" placeholder="password123" required="">
+            <input type="password" id ="password" name="password" placeholder="password123" required="" pattern="^(?=.*\d)(?=.*[a-z])(?=.*[A-Z])[0-9a-zA-Z]{8,}$">
           </div>  
+         
         </form>
 
         <button class = "btn">Sign up</button>