// 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"(?<=\s) +|^ +(?=\s)| (?= +[\n\0])").unwrap();
let string = " .LW 30
Properly formatting a file where
there
is
a smattering of white space throughout
really means eliminating that
extra
white
space
such that the result
looks neat
and
very
tidy.
";
// 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/