valistr 0.2.0

Creating immutable string wrapper types with values validated with regexes.
Documentation 
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use valistr::valistr;

#[valistr(r"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*")]
pub struct EMailAddress;

#[valistr("(?<region>0\\d{2,3})-(?<number>\\d{7,8})")]
pub struct PhoneNumber;

fn main() {
    println!("Hello, world!");

    let a = PhoneNumber::try_from("0811-81675528").unwrap();
    PhoneNumber::try_from("099-123456789").unwrap_err();

    let email = EMailAddress::new("aarkegz@gmail.com").unwrap();
    assert!(EMailAddress::new("aarkegz@gmail").is_none());

    let region = a.get_region().unwrap();
    let number = a.get_number().unwrap();

    println!("{}", *a);
    println!("Region: {}", region);
    println!("Number: {}", number);
    println!("{:?}", email);
}