// 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"(?m)(\\usepackage{(?:tikz|pgfplots)}|\\(?:tikzset|pgfplotsset){(?:[^{}]+|{(?:[^{}]+|{(?:[^{}]+|{[^{}]+})+})+})+}|\\(?:usetikzlibrary|usepgfplotslibrary){[\w\.,]+}|\\definecolor{\w+}{\w+}{[^}]+}|\\colorlet{\w+}{{[^}]+}})").unwrap();
let string = "\\documentclass{article}
\\usepackage{tikz}
\\usetikzlibrary{decorations.markings}
\\tikzset{
->-/.style={
postaction=decorate,
decoration={markings,mark=at position #1 with \\arrow{>}}
}
}
\\begin{document}
\\begin{center}
\\begin{tikzpicture}
\\draw[->-=0.5] (0,0) -- (3,-2);
\\end{tikzpicture}
\\end{center}
\\end{document}";
// 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/