// 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)(--[\w-]+:[\s]*[^;\n}]+)").unwrap();
let string = "these should match
:root {
--externalcolor: red;
--samename: orange;
--samename: #0f0;
--foo: green;
--FOO: #0f0;
--halfsuccess: orange;
/* multiple on one line */
--success: green;--success2: #0f0;
/* forget the ; */
--success: green
--success2: #0f0
--fred: var(--foo);
--barney: var(--foo, test)
}
:root {
/* name options */
--4name: startsWithNumber;
--name: startsWithLetter;
/* value options */
--startWithLetter: red;
--startWithPound: #0f0;
--startWithNumber: 20px;
--startWithQuoteDouble: \"test\";
--startWithQuoteSingle: 'test';
--containsUrl: url(\"http://test.com/foo?a=b&c=d\");
--containsPunctuation: -_,.;
--containsSpace: \"test space\";
/* misc conditions*/
--multipleOnOneLine1: green; --multipleOnOneLine2: #0f0;
--noSpaceAfterColon:test;
--multiSpaceAfterColon: test;
--dash-in-name: test;
--underscore_in_name: test;
}
/* minified css */
:root{--almost-black:#222;}html{color:var(--almost-black)}body{color:var(--almost-black);
don't match this (the double dash in the comments
/* ----------------------------------------------------- */
@import url(\"https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap\");
on one line
/* ----------------------------------------------------- */ @import url(\"https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap\");";
// 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/