solved: 929

Author: ryoppippi

code/929.unique-email-addresses.ts

@@ -0,0 +1,13 @@
+// @leet start
+function numUniqueEmails(emails: string[]): number {
+  const s = new Set<string>();
+  for (const e of emails) {
+    const [f, a] = e.trim().split("@");
+    const mf = f.split("+")[0].replace(/\./g, "");
+    const b = `${mf.trim()}@${a.trim()}`;
+    s.add(b);
+  }
+  return s.size;
+}
+// @leet end
+