rust
use regexp2rust_macro::regex2rust;
regex2rust!( foo = "12345(?<abc>123)" "ui");
assert_eq!(foo::exec(" 12345123"),[Some([1,9]),Some([6,9])]);
assert_eq!(foo::Group::abc as usize,1usize);
assert_eq!(foo::exec(" 12345123")[foo::Group::abc as usize],Some([6,9]));
```toml
[workspace] members = ["yourcrate"] resolver = "2" ```