Started with regex/program.

Cargo.toml

@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+regex = "1.11.1"

src/lib.rs

@@ -0,0 +1,17 @@
+use regex::Regex;
+
+fn slug_from_link(link: String) -> Result<String, String> {
+  let re = Regex::new(r"\.wikipedia\.org\/wiki\/|\?").unwrap();
+  let v: Vec<&str> = re.split(&link).collect();
+  println!("{v:?}");
+  if v.len() >= 2 { Ok(v[1].to_string()) } else { Err("Illegal link {link} provided".to_string()) }
+}
+
+mod tests {
+  use super::*;
+
+  #[test]
+  fn test_slug_from_link_1() {
+    assert_eq!(slug_from_link("https://en.wikipedia.org/wiki/Buck-a-beer?wprov=sfla1".to_string()).unwrap().as_str(), "Buck-a-beer")
+  }
+}