client/src/data/userCheck.js

   1 export function checkNameEmail(o) {
   2   if (typeof o.name === "string") {
   3     if (o.name.length == 0) return "Empty name";
   4     if (!o.name.match(/^[\w]+$/)) return "Bad characters in name";
   5   }
   6   if (typeof o.email === "string") {
   7     if (o.email.length == 0) return "Empty email";
   8     if (!o.email.match(/^[\w.+-]+@[\w.+-]+$/)) return "Bad characters in email";
   9   }
  10   return "";
  11 }