06_react/unterricht/tag37/02_react-with-forms/src/utils/validators/validate.js

@@ -1,6 +1,10 @@
 const validate = (formData) => {
   const errors = {};
 
+  const emailRegExp = new RegExp(
+    /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/,
+  );
+
   if (!formData.firstname) {
     errors.firstname = 'Firstname is required';
   }
@@ -11,7 +15,7 @@ const validate = (formData) => {
 
   if (!formData.email) {
     errors.email = 'Email is required';
-  } else if (!/\S+@\S+\.\S+/.test(formData.email)) {
+  } else if (!emailRegExp.test(formData.email)) {
     errors.email = 'Email is invalid';
   }