isValidEmail()
const isValidEmail: (value) => string;
Validates email format
Parameters
| Parameter | Type | Description |
|---|---|---|
value | string | The email address to validate |
Returns
string
Empty string if valid, error message if invalid
Example
isValidEmail("test@example.com") // Returns: ""
isValidEmail("invalid.email") // Returns: "Invalid email format."
isValidEmail("test@") // Returns: "Invalid email format."