once_cell_regex/
lib.rs

1pub mod exports {
2    pub use once_cell;
3    pub use regex;
4}
5
6#[macro_export]
7macro_rules! regex {
8    ($re:expr $(,)?) => {{
9        static RE: $crate::exports::once_cell::sync::OnceCell<$crate::exports::regex::Regex> =
10            $crate::exports::once_cell::sync::OnceCell::new();
11        RE.get_or_init(|| $crate::exports::regex::Regex::new($re).unwrap())
12    }};
13}
14
15#[macro_export]
16macro_rules! regex_multi_line {
17    ($re:expr $(,)?) => {{
18        static RE: $crate::exports::once_cell::sync::OnceCell<$crate::exports::regex::Regex> =
19            $crate::exports::once_cell::sync::OnceCell::new();
20        RE.get_or_init(|| {
21            $crate::exports::regex::RegexBuilder::new($re)
22                .multi_line(true)
23                .build()
24                .unwrap()
25        })
26    }};
27}
28
29#[macro_export]
30macro_rules! byte_regex {
31    ($re:expr $(,)?) => {{
32        static RE: $crate::exports::once_cell::sync::OnceCell<
33            $crate::exports::regex::bytes::Regex,
34        > = $crate::exports::once_cell::sync::OnceCell::new();
35        RE.get_or_init(|| $crate::exports::regex::bytes::Regex::new($re).unwrap())
36    }};
37}
38
39#[macro_export]
40macro_rules! byte_regex_multi_line {
41    ($re:expr $(,)?) => {{
42        static RE: $crate::exports::once_cell::sync::OnceCell<
43            $crate::exports::regex::bytes::Regex,
44        > = $crate::exports::once_cell::sync::OnceCell::new();
45        RE.get_or_init(|| {
46            $crate::exports::regex::bytes::RegexBuilder::new($re)
47                .multi_line(true)
48                .build()
49                .unwrap()
50        })
51    }};
52}
53
54#[cfg(test)]
55mod tests {
56    use regex::{bytes, Regex};
57
58    #[test]
59    fn regex_macro() {
60        let _: &Regex = regex!(r"\w?");
61    }
62
63    #[test]
64    fn regex_multi_line_macro() {
65        let _: &Regex = regex_multi_line!(r"\w?");
66    }
67
68    #[test]
69    fn byte_regex_macro() {
70        let _: &bytes::Regex = byte_regex!(r"\w?");
71    }
72
73    #[test]
74    fn byte_regex_multi_line_macro() {
75        let _: &bytes::Regex = byte_regex_multi_line!(r"\w?");
76    }
77}
once_cell_regex/lib.rs

once_cell_regex/
lib.rs
