Files
lettre/src/message/mailbox/parsers/rfc5336.rs
2025-07-05 17:24:42 +02:00

18 lines
619 B
Rust

//! Partial parsers implementation of [RFC5336]: SMTP Extension for
//! Internationalized Email Addresses.
//!
//! [RFC5336]: https://datatracker.ietf.org/doc/html/rfc5336
use nom::{character::complete::satisfy, IResult, Parser};
// 3.3. Extended Mailbox Address Syntax
// https://datatracker.ietf.org/doc/html/rfc5336#section-3.3
// UTF8-non-ascii = UTF8-2 / UTF8-3 / UTF8-4
// UTF8-2 = <See Section 4 of RFC 3629>
// UTF8-3 = <See Section 4 of RFC 3629>
// UTF8-4 = <See Section 4 of RFC 3629>
pub(super) fn utf8_non_ascii(input: &str) -> IResult<&str, char> {
satisfy(|c| c.len_utf8() > 1).parse(input)
}