fix: Invalid portal domain validation (#6166)

* fix: Invalid portal domain validation


Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/shared/helpers/Validators.js

@@ -17,3 +17,7 @@ export const isValidPassword = value => {
   );
 };
 export const isNumber = value => /^\d+$/.test(value);
+export const isDomain = value => {
+  const domainRegex = /^([\p{L}0-9]+(-[\p{L}0-9]+)*\.)+[a-z]{2,}$/gmu;
+  return domainRegex.test(value);
+};