pub const EMAIL: &str = r#"(?i)([A-Za-z0-9!#$%&'*+\\/=?^_{|.}~-]+@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?)"#;