// 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"(?mx)^\h*\[if.*\]\R # if in the first line
(?<if>(?:(?!\[elseif)[\s\S])+)\R # output
^\h*\[elseif.*\]\R # elseif
(?<elseif>(?:(?!\[else)[\s\S])+)\R # output
^\h*\[else.*\]\R # elseif
(?<else>(?:(?!\[endif)[\s\S])+)\R # output
^\[endif\]
").unwrap();
let string = "[if:(a+b-c/d*e)|(x-y)&!(z%3=0)]
output
[elseif:('b'+'atman'='batman')]
output2
out as well
[else]
output3
some other output here
[endif]";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
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/