Rough workup with regex..

drop back to single line of input
iterate through captures, then iterate through sub-captures
move integer parsing out to a closure
move median calculation within iteration out to a closure

Cargo.lock

@@ -2,6 +2,41 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "0.7.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "cw_rust_athletic-statistics"
 version = "0.1.0"
+dependencies = [
+ "regex",
+]
+
+[[package]]
+name = "memchr"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
+
+[[package]]
+name = "regex"
+version = "1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"

Cargo.toml

@@ -6,3 +6,4 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+regex = "1"

src/main.rs

@@ -1,5 +1,7 @@
 #![allow(unused)]
 fn main() {
+    use regex::Regex;
+    use regex::Match;
 
     let args = vec![
         "01|15|59, 1|47|16, 01|17|20, 1|32|34, 2|17|17",
@@ -8,11 +10,57 @@ fn main() {
 
     println!();
 
-    for arg in args {
-        println!("{:?}\n{:?}\n", arg, stati(arg));
-    };
+//  for arg in args {
+//      println!("{:?}\n{:?}\n", arg, stati(arg));
+//  };
 
     println!();
+
+    let test = "01|15|59, 1|47|16.35, 1|20|30, 1|43|03";
+
+    let hms = Regex::new(r"(\d\d?)\|(\d\d)\|(\d\d)").unwrap();
+    let csv = Regex::new(r", ").unwrap();
+
+    let parse_int = |m: Option<Match>| {
+        m.unwrap().as_str().parse::<usize>().unwrap()
+    };
+
+    let mut vec = vec![];
+
+    for cap in hms.captures_iter(test) {
+
+        let mut col = cap.iter().skip(1)
+            .map(|e| parse_int(e)).collect::<Vec<usize>>();
+
+        vec.push(col[0] * 3600 + col[1] * 60 + col[2]);
+    }
+
+    let median = |v: Vec<usize>| {
+        if v.len() % 2 == 1 {
+            v[v.len()/2 + 1]
+        } else {
+            (v[v.len()/2] + v[v.len()/2 + 1])/2
+        }
+    };
+
+    vec.sort();
+    let len = vec.len();
+    let tot = vec.iter().sum();
+
+    let mut list = vec![
+        ( "Total", tot ),
+        ( "Range", vec[len-1] - vec[0] ),
+        ( "Mean", tot/len ),
+        ( "Median", median(vec) )
+    ];
+
+    for i in list {
+        print!(" {}: {:02}|{:02}|{:02}",
+            i.0, i.1/3600, i.1%3600/60, i.1%60
+        );
+    }
+    println!("\n");
+
 }
 
 fn stati(s: &str) -> String {