// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r"#(?!:[\w]+)(?=([\w\d\[\]\,\*\=\>\.\s]*[\{\,\[]+))").unwrap();
let string = "div#xyz, #xyz, div#xyz[id='xyz'],
.def>#xyz, .def>div#xyz, .def>#xyz,
.def>div#xyz[id=*]{
color:#ee2ee2;
}
@media (min-width: 30em) and (orientation: landscape)
{
.abc{
background-color :#FFFFFF;
border-color:1px solid #eee ;
}
.def>#xyz, .def #xyz, .def>#xyz{border-color:1px solid #ddd;}
}";
let substitution = ".";
// result will be a String with the substituted value
let result = regex.replace_all(string, substitution);
println!("{}", result);
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/