diff --git a/Sources/src/main/kotlin/allin/model/User.kt b/Sources/src/main/kotlin/allin/model/User.kt
index 62504f3..503ebda 100644
--- a/Sources/src/main/kotlin/allin/model/User.kt
+++ b/Sources/src/main/kotlin/allin/model/User.kt
@@ -6,4 +6,9 @@ import kotlinx.serialization.Serializable
 data class User(val username: String, val email: String, val password: String, var nbCoins: Int = 1000)
 
 @Serializable
-data class CheckUser(val login: String,val password: String)
\ No newline at end of file
+data class CheckUser(val login: String,val password: String)
+
+fun isEmailValid(email: String): Boolean {
+    val emailRegex = Regex("^[A-Za-z0-9+_.-]+@(.+)$")
+    return !emailRegex.matches(email)
+}
diff --git a/Sources/src/main/kotlin/allin/plugins/Routing.kt b/Sources/src/main/kotlin/allin/plugins/Routing.kt
deleted file mode 100644
index 73bdd9e..0000000
--- a/Sources/src/main/kotlin/allin/plugins/Routing.kt
+++ /dev/null
@@ -1,71 +0,0 @@
-/*package allin.plugins
-
-import allin.model.User
-import io.ktor.http.*
-import io.ktor.server.application.*
-import io.ktor.server.html.*
-import io.ktor.server.request.*
-import io.ktor.server.response.*
-import io.ktor.server.routing.*
-import kotlinx.html.body
-import kotlinx.html.h1
-
-val users = mutableListOf<User>()
-fun Application.configureRouting() {
-    routing {
-        get("/") {
-            call.respondHtml(HttpStatusCode.OK) {
-                body {
-                    h1 {
-                        +"Bienvenue dans l'API de l'application ALLin!"
-                    }
-                }
-            }
-        }
-
-        route("/users") {
-            get {
-                call.respondText(users.joinToString("\n"), ContentType.Text.Plain)
-            }
-            post {
-                val newUser = call.receive<User>()
-                users.add(newUser)
-                call.respond(HttpStatusCode.Created, newUser)
-            }
-        }
-
-        route("/users/{username}") {
-            get {
-                val username = call.parameters["username"]
-                val user = users.find { it.username == username }
-                if (user != null) {
-                    call.respond(user)
-                } else {
-                    call.respond(HttpStatusCode.NotFound)
-                }
-            }
-            put {
-                val username = call.parameters["username"]
-                val userIndex = users.indexOfFirst { it.username == username }
-                if (userIndex != -1) {
-                    val updatedUser = call.receive<User>()
-                    users[userIndex] = updatedUser
-                    call.respond(updatedUser)
-                } else {
-                    call.respond(HttpStatusCode.NotFound)
-                }
-            }
-            delete {
-                val username = call.parameters["username"]
-                val user = users.find { it.username == username }
-                if (user != null) {
-                    users.remove(user)
-                    call.respond(HttpStatusCode.NoContent)
-                } else {
-                    call.respond(HttpStatusCode.NotFound)
-                }
-            }
-        }
-    }
-}
-*/
\ No newline at end of file
diff --git a/Sources/src/main/kotlin/allin/routing/UserRouter.kt b/Sources/src/main/kotlin/allin/routing/UserRouter.kt
index a51e3c2..3cbf1a8 100644
--- a/Sources/src/main/kotlin/allin/routing/UserRouter.kt
+++ b/Sources/src/main/kotlin/allin/routing/UserRouter.kt
@@ -2,6 +2,8 @@ package allin.routing
 
 import allin.model.CheckUser
 import allin.model.User
+import allin.model.isEmailValid
+import io.ktor.client.utils.*
 import io.ktor.http.*
 import io.ktor.server.application.*
 import io.ktor.server.request.*
@@ -11,22 +13,20 @@ import io.ktor.server.routing.*
 val users = mutableListOf<User>()
 
 fun Application.UserRouter() {
-    routing {
-        route("/users") {
-            get {
-                call.respond(users)
-            }
-        }
 
+    routing {
         route("/users/register"){
             post {
                 val TempUser = call.receive<User>()
+                if (isEmailValid(TempUser.email)){
+                    call.respond(HttpStatusCode.Forbidden,"Input a valid mail !")
+                }
                 val user = users.find { it.username == TempUser.username || it.email == TempUser.email }
                 if(user == null) {
                     users.add(TempUser)
                     call.respond(HttpStatusCode.Created, TempUser)
                 }
-                call.respond(HttpStatusCode.Conflict)
+                call.respond(HttpStatusCode.Conflict,"Mail or/and username already exist")
             }
         }
 
@@ -37,41 +37,20 @@ fun Application.UserRouter() {
                 if (user != null && user.password == checkUser.password) {
                     call.respond(HttpStatusCode.OK, user)
                 } else {
-                    call.respond(HttpStatusCode.NotFound)
+                    call.respond(HttpStatusCode.NotFound,"Login and/or password incorrect.")
                 }
             }
         }
 
-
-        route("/users/{username}") {
-            get {
-                val username = call.parameters["username"]
-                val user = users.find { it.username == username }
-                if (user != null) {
-                    call.respond(user)
-                } else {
-                    call.respond(HttpStatusCode.NotFound)
-                }
-            }
-            put {
-                val username = call.parameters["username"]
-                val userIndex = users.indexOfFirst { it.username == username }
-                if (userIndex != -1) {
-                    val updatedUser = call.receive<User>()
-                    users[userIndex] = updatedUser
-                    call.respond(updatedUser)
-                } else {
-                    call.respond(HttpStatusCode.NotFound)
-                }
-            }
-            delete {
-                val username = call.parameters["username"]
-                val user = users.find { it.username == username }
-                if (user != null) {
+        route("/users/delete") {
+            post {
+                val checkUser = call.receive<CheckUser>()
+                val user = users.find { it.username == checkUser.login || it.email == checkUser.login }
+                if (user != null && user.password == checkUser.password) {
                     users.remove(user)
-                    call.respond(HttpStatusCode.NoContent)
+                    call.respond(HttpStatusCode.Accepted, user)
                 } else {
-                    call.respond(HttpStatusCode.NotFound)
+                    call.respond(HttpStatusCode.NotFound,"Login and/or password incorrect.")
                 }
             }
         }