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Hatter Jiang
2020-05-05 21:33:30 +08:00
parent 80926e99ab
commit 48408e8963
1 changed files with 1 additions and 1 deletions
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regex/src/main.rs
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@@ -18,7 +18,7 @@ fn main() {
let re2 = Regex::new(r"(\d+)").unwrap(); let re2 = Regex::new(r"(\d+)").unwrap();
println!("{}", re2.replace_all("Hello 100, 200", | caps: &regex::Captures | { 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<'_> | { println!("{}", re2.replace_all("Hello 100, 200", | caps: &regex::Captures<'_> | {
"[".to_owned() + &caps[1] + "]" "[".to_owned() + &caps[1] + "]"