Fix signup regex (#1856)

Author: joanagmaia

backend/src/services/auth/authService.ts

@@ -38,7 +38,7 @@ class AuthService {
 
       const existingUser = await UserRepository.findByEmail(email, options)
 
-      const passwordRegex = /^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$/
+      const passwordRegex = /^(?=.*[A-Za-z])(?=.*\d)(?=.*[^A-Za-z\d])([^ \t]{8,})$/
 
       if (!passwordRegex.test(password)) {
         throw new Error400(options.language, 'auth.passwordInvalid')

frontend/src/modules/user/user-model.js

@@ -31,7 +31,7 @@ const fields = {
   }),
   password: new StringField('password', label('password'), {
     required: true,
-    matches: /^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$/,
+    matches: /^(?=.*[A-Za-z])(?=.*\d)(?=.*[^A-Za-z\d])([^ \t]{8,})$/,
   }),
   passwordSignin: new StringField('password', label('password'), {
     required: true,