ref

2020-05-05 21:33:30 +08:00
parent 80926e99ab
commit 48408e8963
1 changed files with 1 additions and 1 deletions
--- a/regex/src/main.rs
+++ b/regex/src/main.rs
@@ -18,7 +18,7 @@ fn main() {

    let re2 = Regex::new(r"(\d+)").unwrap();
    println!("{}", re2.replace_all("Hello 100, 200", | caps: &regex::Captures | {
-        "(".to_owned() + &caps[1] + ")"
+        "(".to_owned() + &(caps[1].parse::<usize>().unwrap() * 2).to_string() + ")"
    }));
    println!("{}", re2.replace_all("Hello 100, 200", | caps: &regex::Captures<'_> | {
        "[".to_owned() + &caps[1] + "]"