1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33

use regex::Regex;

#[must_use]
pub fn validate_email_address(email_address_to_be_checked: &str) -> bool {
    let email_regex = Regex::new(r"^([a-z\d_+]([a-z\d_+.]*[a-z\d_+])?)@([a-z\d]+([\-.][a-z\d]+)*\.[a-z]{2,6})")
        .expect("regex failed to compile");

    email_regex.is_match(email_address_to_be_checked)
}

#[cfg(test)]
mod tests {
    use crate::utils::regex::validate_email_address;

    #[test]
    fn validate_email_address_test() {
        assert!(!validate_email_address("test"));

        assert!(!validate_email_address("test@"));

        assert!(!validate_email_address("test@torrust"));

        assert!(!validate_email_address("test@torrust."));

        assert!(!validate_email_address("test@."));

        assert!(!validate_email_address("test@.com"));

        assert!(validate_email_address("test@torrust.com"));

        assert!(validate_email_address("t@torrust.org"));
    }
}