use regex::Regex;use std::collections::HashMap;// 定义一个函数,接收一个字符串参数,返回一个哈希表fn classify_text(text: &str) -> HashMap<&str, Vec<&str>> {// 定义一个正则表达式,匹配数字和非数字字符let re = Regex::new(r"(\d+)|(\D+)").unwrap();let mut map = HashMap::new...
Regex in Rust allows you to capture parts of a string using parentheses (). These captured groups can then be extracted for further processing. Example: Extracting Email Addresses use regex::Regex; fn main() { let pattern = Regex::new(r"(\w+)@(\w+)\.(\w+)").unwrap(); let email...
{letre =Regex::new(r"(\d{4})-(\d{2})-(\d{2})").unwrap();forcapsinre.captures_iter(TO_SEARCH){// Note that all of the unwraps are actually OK for this regex// because the only way for the regex to match is if all of the// capture groups match. This is not true in...
Given the modified regex to support three optional capture groups:(\d+)(?:\.(\d+))?(?:\.(\d+))? How can you modify the code below to support the match version being listed out properly?An embedded webpage:Java | CoderPadhttps://app.coderpad.io/sandbox?question_id=175664 New tab ...
Few API additions have been made, but one worth calling out is the Captures::extract method that should make getting capture groups in some cases more convenient. Otherwise, the main change folks should see is hopefully faster search times. You can read more in the CHANGELOG and i...
这类似于 captures ,但使用 CaptureLocations 而不是 Captures 来分摊分配。若要创建 CaptureLocations 值,请使用Regex::capture_locations 方法。如果匹配成功,将返回总匹配,总匹配等同于第 0 个捕获组。例子 // 用于匹配字符串中的数字 let re = Regex::new(r"\d+").unwrap(); let test_str = "abc123...
Example: examples/regex.rsextern crate regex; use regex::Regex; fn main() { // Find a date let re = Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap(); assert!(re.is_match("2014-01-01")); // Iterating over capture groups let re = Regex::new(r"(\d{4})-(\d{2})-(...
Example: examples/regex.rsextern crate regex; use regex::Regex; fn main() { // Find a date let re = Regex::new(r"^\d{4}-\d{2}-\d{2}$").unwrap(); assert!(re.is_match("2014-01-01")); // Iterating over capture groups let re = Regex::new(r"(\d{4})-(\d{2})-(...
This also means that custom regexes cannot be used on custom types thatderive FromScanfsince those rely on having an exact number of capture groups inside of their regex. Radix Options: Only work on primitive integer types (u8, ...,u128,i8, ...,i128,usize,isize). ...
#749 for example, removed the thread_local dependency and got a bit more rigorous about these marker traits on the main Regex/RegexSet types, but stopped there. It turns out other types are impacted too. @kangalioo noted that, for example, Send was not implemented on the CaptureMatches ...