first commit

common/resources/client/utils/string/is-email.ts

@@ -0,0 +1,8 @@
+const matcher =
+  /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
+
+export function isEmail(string?: string): boolean {
+  if (!string) return false;
+  if (string.length > 320) return false;
+  return matcher.test(string);
+}