diff --git a/Cargo.lock b/Cargo.lock
index 3b8e18e..5cd08e4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,6 +7,7 @@ name = "advent-of-code-2023"
 version = "0.1.0"
 dependencies = [
  "automod",
+ "regex",
  "scan_fmt",
  "serde_json",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index fb59993..42b4e05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,5 +7,6 @@ edition = "2021"
 
 [dependencies]
 automod = "1.0.13"
+regex = "1.10.2"
 scan_fmt = "0.2.6"
 serde_json = "1.0.108"
diff --git a/res/02/input b/res/02/input
new file mode 100644
index 0000000..3cf08f7
--- /dev/null
+++ b/res/02/input
@@ -0,0 +1,100 @@
+Game 1: 4 red, 5 blue, 9 green; 7 green, 7 blue, 3 red; 16 red, 7 blue, 3 green; 11 green, 11 blue, 6 red; 12 red, 14 blue
+Game 2: 12 blue, 11 green, 3 red; 6 blue, 5 green, 7 red; 5 red, 11 blue; 2 blue, 8 green
+Game 3: 8 blue, 5 green, 2 red; 5 blue, 5 green, 7 red; 7 blue, 1 green, 7 red; 8 green, 14 blue, 7 red; 8 green, 14 blue; 8 blue, 2 green, 8 red
+Game 4: 3 red, 14 blue, 15 green; 1 red, 11 green, 14 blue; 14 green, 17 blue
+Game 5: 11 green, 2 red, 10 blue; 16 green, 8 blue; 2 blue, 6 green, 1 red; 14 blue, 2 red, 16 green; 3 blue, 18 green; 1 red, 10 blue, 3 green
+Game 6: 2 green, 5 red, 17 blue; 12 green, 13 blue, 6 red; 8 red, 9 blue, 7 green
+Game 7: 2 blue, 18 green; 4 green, 1 red, 1 blue; 4 blue, 19 green
+Game 8: 6 green, 7 blue; 9 green, 6 blue; 7 blue, 1 red, 3 green
+Game 9: 4 blue, 12 green, 3 red; 4 green, 3 blue, 3 red; 3 green, 2 red, 3 blue; 1 green, 2 red, 3 blue; 15 red, 10 green, 4 blue; 3 blue, 1 red, 6 green
+Game 10: 11 blue, 6 green, 6 red; 15 green, 1 blue; 1 red, 6 blue, 4 green
+Game 11: 9 blue, 1 red, 6 green; 6 red, 1 green; 10 blue, 3 green, 6 red
+Game 12: 1 blue, 10 red, 1 green; 4 blue, 4 red; 8 red, 3 blue, 1 green; 3 red, 2 green
+Game 13: 3 red, 11 green, 18 blue; 11 green, 1 red, 3 blue; 12 blue, 5 red, 2 green; 16 blue, 8 red, 5 green; 8 red, 12 blue, 19 green; 17 blue, 4 green, 6 red
+Game 14: 8 red, 4 blue; 1 green, 2 blue, 13 red; 1 green, 1 blue, 17 red; 1 green, 13 red
+Game 15: 4 red, 3 blue, 6 green; 4 blue, 3 red, 3 green; 3 green, 6 red, 3 blue; 6 red, 5 blue, 2 green; 6 green, 1 blue; 4 green, 3 red, 2 blue
+Game 16: 11 green; 3 green, 1 blue, 1 red; 12 green, 3 blue, 1 red; 1 red, 1 green; 1 red, 3 blue; 2 green, 1 blue, 1 red
+Game 17: 12 red, 14 blue, 10 green; 2 red, 6 green, 6 blue; 10 blue, 2 green, 3 red; 1 red, 13 blue, 2 green; 9 green, 16 red, 9 blue
+Game 18: 15 red, 8 blue; 16 red, 12 blue; 5 blue, 4 green, 6 red; 8 red, 4 green, 3 blue; 7 red, 5 blue, 2 green; 1 blue, 2 green, 14 red
+Game 19: 3 red, 13 blue, 2 green; 8 red, 14 blue; 9 blue, 3 green; 9 blue, 1 green, 7 red; 8 red, 1 green; 8 red, 14 blue, 2 green
+Game 20: 6 green, 10 blue, 5 red; 8 green, 9 blue, 7 red; 2 red, 2 green, 7 blue; 7 red, 16 green, 12 blue; 15 green, 3 red; 12 green, 3 red, 6 blue
+Game 21: 2 green, 7 blue; 7 blue, 6 red; 6 blue, 2 red, 1 green; 11 blue, 1 red, 3 green
+Game 22: 5 red, 1 blue; 1 green, 2 red; 1 blue, 1 green, 5 red; 1 green, 2 blue, 4 red; 1 green, 3 red, 1 blue; 5 red, 3 blue, 1 green
+Game 23: 12 green, 7 red; 4 blue, 15 red, 2 green; 2 green, 16 red, 2 blue; 5 red, 10 green, 1 blue; 1 red, 4 green, 7 blue; 9 blue, 4 green, 12 red
+Game 24: 7 blue, 11 red, 4 green; 6 blue, 3 green; 1 blue, 14 red, 1 green; 2 blue, 4 green, 15 red; 7 red, 4 blue; 7 red, 2 blue, 3 green
+Game 25: 6 green, 10 red, 12 blue; 3 red, 16 blue; 10 blue, 10 red, 1 green; 3 red, 2 green, 13 blue; 2 green, 11 blue, 6 red
+Game 26: 6 red, 4 blue, 10 green; 3 blue, 1 green, 4 red; 5 blue; 11 blue, 9 green, 7 red
+Game 27: 1 red, 14 green, 9 blue; 13 green, 8 blue, 8 red; 7 red, 8 green, 6 blue; 7 blue, 3 red, 4 green; 18 green, 3 red
+Game 28: 2 red, 1 blue, 1 green; 1 blue; 1 red, 6 green, 2 blue; 5 green, 1 blue; 6 green; 2 green, 5 blue, 2 red
+Game 29: 2 blue, 2 green, 7 red; 3 red, 5 blue; 7 green, 14 blue, 3 red
+Game 30: 5 red, 11 green, 8 blue; 1 blue, 1 red, 15 green; 18 green, 12 blue; 5 red, 6 blue, 16 green; 12 blue, 1 red, 5 green
+Game 31: 1 blue, 7 red, 2 green; 8 green, 1 blue; 3 blue, 13 green, 2 red; 3 blue, 7 red
+Game 32: 10 green, 7 blue, 4 red; 18 green, 4 blue, 7 red; 5 blue, 6 red; 5 red, 5 blue, 1 green; 12 blue, 5 green, 8 red; 1 red, 6 green, 13 blue
+Game 33: 1 green, 2 red, 18 blue; 12 blue, 8 green; 8 green, 1 red, 16 blue; 10 green, 14 blue; 1 red, 3 blue, 8 green
+Game 34: 4 red, 4 blue; 10 blue, 8 red; 2 green, 5 blue, 20 red
+Game 35: 6 blue, 1 green, 4 red; 1 red, 2 blue, 2 green; 12 blue, 2 red; 11 blue, 1 green, 1 red; 2 blue; 2 red, 10 blue, 3 green
+Game 36: 2 green, 9 blue, 11 red; 5 blue, 11 red; 1 green, 1 red, 9 blue; 8 blue, 2 green; 11 red, 4 blue, 1 green; 7 blue, 2 green, 5 red
+Game 37: 10 blue, 5 green, 6 red; 5 red, 13 green, 10 blue; 1 green, 7 blue, 4 red; 10 green, 4 blue, 14 red; 13 green, 9 red, 1 blue
+Game 38: 5 blue, 4 green, 4 red; 4 blue, 11 green; 4 green, 3 red; 6 green, 7 blue; 6 blue, 1 red, 2 green
+Game 39: 8 blue, 1 green, 19 red; 15 red, 2 green, 7 blue; 1 green, 6 blue, 8 red; 16 red, 3 blue, 1 green
+Game 40: 4 green, 1 blue; 1 red, 2 blue, 3 green; 4 green, 1 blue, 2 red; 2 green, 1 blue, 2 red; 2 green
+Game 41: 3 red, 4 blue; 2 blue, 16 green; 2 red, 5 blue, 11 green; 13 green, 3 red, 6 blue; 3 blue, 19 green, 3 red; 5 green, 1 red, 3 blue
+Game 42: 6 green; 13 green, 1 blue; 1 blue, 5 green, 1 red; 1 blue, 6 green, 1 red; 2 red, 2 green, 1 blue
+Game 43: 8 green, 11 blue; 11 green, 12 blue; 1 blue, 5 red, 7 green; 1 blue, 11 green; 3 blue, 1 green
+Game 44: 3 green, 18 red, 16 blue; 2 blue, 2 green, 14 red; 13 red, 4 green, 17 blue; 3 red, 9 blue, 8 green; 11 red, 1 blue; 5 blue, 3 red, 7 green
+Game 45: 11 blue, 2 red; 8 green, 5 blue, 1 red; 14 blue, 5 green; 14 blue, 8 green; 10 blue, 11 green; 5 green, 1 red, 17 blue
+Game 46: 3 red, 3 blue, 1 green; 2 green, 7 red, 4 blue; 2 red, 1 green, 2 blue; 9 red, 1 green
+Game 47: 3 blue, 4 red, 2 green; 9 blue, 12 green, 11 red; 8 green, 19 red, 7 blue
+Game 48: 1 green, 9 red; 7 green, 16 red, 1 blue; 2 blue, 2 red, 5 green; 19 red, 3 blue, 2 green
+Game 49: 2 green, 17 blue, 18 red; 4 blue, 19 red, 11 green; 1 green, 5 blue, 15 red; 10 green, 6 red, 1 blue
+Game 50: 4 green, 8 blue, 6 red; 1 red, 6 blue, 4 green; 6 red, 5 green, 10 blue; 7 blue, 6 red
+Game 51: 2 green, 1 blue, 5 red; 13 blue, 10 green; 6 green, 1 red, 7 blue; 4 red, 3 green, 8 blue; 3 red, 9 blue, 4 green; 2 red, 12 blue, 8 green
+Game 52: 1 blue, 4 green, 6 red; 6 green, 6 red, 10 blue; 4 green, 3 red, 5 blue; 3 blue, 2 green, 4 red; 6 green, 5 blue, 9 red; 9 red, 5 green, 8 blue
+Game 53: 2 green, 6 blue, 6 red; 1 blue, 5 green, 13 red; 7 red, 5 blue, 1 green
+Game 54: 5 green, 6 blue, 2 red; 1 blue, 3 green; 6 green; 1 red, 2 blue, 5 green; 5 blue, 5 green
+Game 55: 9 blue, 15 green; 4 red, 1 green; 7 blue, 9 red, 11 green
+Game 56: 7 red, 2 blue, 4 green; 2 blue, 6 red, 6 green; 8 red, 7 green; 6 green, 2 red; 3 blue, 2 green, 7 red
+Game 57: 1 blue, 1 green, 1 red; 6 red, 2 green, 3 blue; 1 green; 3 blue, 8 red, 2 green
+Game 58: 14 blue, 5 red, 14 green; 5 blue, 7 green, 7 red; 19 blue, 10 red, 14 green; 7 green, 5 blue, 10 red; 2 red, 12 green, 2 blue
+Game 59: 1 red, 1 green, 1 blue; 10 blue; 3 blue, 1 green, 1 red
+Game 60: 6 blue, 6 green; 5 blue; 4 blue, 3 green; 10 green, 1 red, 4 blue
+Game 61: 2 green, 3 blue; 3 red, 3 blue; 2 red, 4 green
+Game 62: 3 red, 6 green, 2 blue; 6 red, 5 blue, 2 green; 13 green, 9 blue
+Game 63: 9 blue, 1 green; 14 blue, 12 red; 1 green, 6 red, 14 blue; 1 green, 2 red, 14 blue; 7 red, 18 blue, 1 green; 14 red, 2 blue
+Game 64: 4 blue, 16 red, 4 green; 9 red, 4 green, 3 blue; 2 red, 2 blue, 6 green; 2 blue, 2 green, 12 red
+Game 65: 2 red, 2 blue; 4 red, 9 green, 5 blue; 1 blue; 3 green, 1 red; 1 green, 2 blue, 8 red; 1 blue, 8 green, 3 red
+Game 66: 1 red, 3 green, 4 blue; 3 green, 5 red, 14 blue; 1 blue, 3 red, 2 green; 4 blue, 1 green, 2 red; 8 red, 2 green, 13 blue
+Game 67: 1 green, 1 red, 4 blue; 2 blue, 2 green, 1 red; 3 blue, 2 green, 1 red
+Game 68: 1 red, 2 blue; 5 green, 2 red, 2 blue; 7 red, 7 green, 2 blue
+Game 69: 15 red, 12 green, 1 blue; 3 green, 3 blue, 6 red; 9 blue, 16 green; 11 blue, 18 green, 7 red
+Game 70: 4 blue, 1 green, 6 red; 11 red, 3 green, 4 blue; 3 blue, 1 red, 1 green; 1 green, 11 red; 3 red, 4 blue, 1 green; 3 red, 4 blue, 2 green
+Game 71: 11 blue, 1 red; 10 blue, 10 green; 4 green, 11 blue; 5 green, 1 red, 6 blue; 6 green, 2 blue; 4 blue, 3 green
+Game 72: 1 red, 7 blue; 3 red, 3 green, 7 blue; 3 red, 3 green, 10 blue; 5 green, 7 blue
+Game 73: 2 blue, 1 red; 6 blue, 8 red, 18 green; 4 blue, 18 green, 1 red; 1 red, 5 blue, 2 green; 18 green, 8 red, 8 blue
+Game 74: 19 green, 9 blue, 14 red; 11 green, 8 blue, 14 red; 2 green, 17 blue, 14 red; 12 green, 12 blue, 7 red; 6 red, 5 blue, 10 green; 4 blue, 19 green, 15 red
+Game 75: 12 red, 3 green, 4 blue; 7 red, 6 green, 2 blue; 7 green, 3 red, 7 blue; 16 red, 3 green; 10 blue, 6 red, 3 green
+Game 76: 1 red, 11 blue, 4 green; 11 green, 3 blue, 3 red; 2 red, 14 green, 7 blue; 3 red, 6 blue, 9 green; 9 blue, 14 green; 1 red, 9 green, 3 blue
+Game 77: 10 blue, 2 red, 5 green; 5 green, 3 red, 12 blue; 3 green, 8 red, 4 blue; 5 blue, 12 red, 7 green; 18 blue, 7 red; 8 green, 8 blue, 13 red
+Game 78: 9 red, 11 green, 4 blue; 4 blue, 14 green; 2 red, 11 green, 6 blue; 2 blue, 5 red, 13 green; 6 red, 2 green
+Game 79: 2 green, 3 blue, 1 red; 6 green, 2 blue; 1 blue, 4 green
+Game 80: 2 green, 4 red; 1 green, 6 blue, 2 red; 8 blue, 3 red; 6 blue, 1 green; 6 red, 2 blue; 2 green, 2 blue
+Game 81: 5 red, 3 blue, 6 green; 3 blue, 17 green, 5 red; 3 red, 2 blue, 14 green; 1 blue, 2 red, 8 green
+Game 82: 16 green, 10 blue; 6 blue, 4 green, 2 red; 3 blue, 1 red, 16 green; 1 red, 7 green, 11 blue
+Game 83: 8 green, 7 blue; 1 blue, 6 green; 6 blue, 1 red, 3 green; 8 green, 1 red; 1 green, 5 blue
+Game 84: 9 blue, 6 red; 5 red, 7 green, 3 blue; 4 blue, 13 green, 2 red; 10 red, 11 green, 6 blue
+Game 85: 4 red, 10 blue; 8 green, 1 blue, 1 red; 9 blue, 6 green; 1 red, 4 green; 3 green, 8 blue
+Game 86: 7 blue, 9 green; 7 blue, 1 red, 4 green; 4 green, 13 blue
+Game 87: 12 red, 9 green, 2 blue; 8 green, 7 red; 11 red, 11 green; 4 blue, 8 green
+Game 88: 8 blue, 7 green, 7 red; 5 blue, 9 green; 3 red, 7 green, 6 blue; 1 green, 7 blue, 7 red
+Game 89: 7 green, 9 red, 7 blue; 1 green, 18 red; 3 red, 2 blue, 2 green; 15 red, 4 green, 6 blue
+Game 90: 4 blue, 5 red, 4 green; 4 green, 6 blue, 3 red; 4 green, 6 blue, 2 red; 8 blue, 4 red, 4 green; 3 blue, 2 red
+Game 91: 7 green, 5 red, 2 blue; 12 green, 2 blue, 6 red; 6 green, 1 blue; 1 green, 1 blue; 13 green, 1 red, 3 blue; 5 red, 1 blue, 4 green
+Game 92: 2 green; 1 red, 2 blue, 2 green; 2 red, 2 green, 2 blue; 2 blue, 7 red
+Game 93: 8 red, 5 blue; 10 red, 4 blue; 3 red, 2 blue; 7 blue, 10 red, 1 green; 6 blue; 10 blue
+Game 94: 2 blue, 4 green; 8 green, 9 blue; 2 green, 3 blue; 3 blue, 5 green; 9 blue, 1 red, 3 green; 6 blue, 6 green, 1 red
+Game 95: 3 blue, 13 red, 10 green; 4 green, 17 blue, 12 red; 12 red, 10 green, 16 blue; 15 red, 14 green, 2 blue; 12 red, 1 blue, 15 green; 10 green, 13 blue, 19 red
+Game 96: 5 green, 9 blue, 16 red; 17 red, 11 green, 9 blue; 10 blue, 13 green, 9 red; 10 blue, 7 red, 13 green; 3 red, 4 blue, 5 green
+Game 97: 6 blue, 4 green, 6 red; 4 red, 13 green, 2 blue; 15 green, 2 red; 2 green, 2 red
+Game 98: 10 blue, 13 red; 10 blue, 16 red, 4 green; 6 blue, 4 green, 14 red; 4 green, 1 blue, 11 red; 4 red, 4 green
+Game 99: 1 red, 4 blue; 5 red, 8 blue; 3 blue, 1 green; 2 red, 6 blue; 8 blue, 2 green, 3 red
+Game 100: 5 green, 1 red; 4 blue, 8 red, 4 green; 1 blue, 3 red, 15 green; 1 blue, 15 green, 1 red; 2 red, 13 green
diff --git a/src/days/d01.rs b/src/days/d01.rs
index 2a8f9d5..aa4e302 100644
--- a/src/days/d01.rs
+++ b/src/days/d01.rs
@@ -1,5 +1,5 @@
-use std::fs;
 use std::collections::HashMap;
+use std::fs;
 
 pub fn solve() {
     let path = "res/01/input";
@@ -9,10 +9,15 @@ pub fn solve() {
     let result: u32 = contents
         .lines()
         .map(|line| {
-            let nums = line.chars().filter(|c| c.is_digit(10)).collect::<Vec::<char>>();
-            nums.first().unwrap().to_digit(10).unwrap() * 10 + nums.last().unwrap().to_digit(10).unwrap()})
+            let nums = line
+                .chars()
+                .filter(|c| c.is_digit(10))
+                .collect::<Vec<char>>();
+            nums.first().unwrap().to_digit(10).unwrap() * 10
+                + nums.last().unwrap().to_digit(10).unwrap()
+        })
         .sum();
-    
+
     println!("Result 1: {}", result);
 
     let mut txt_nums = HashMap::<&str, u32>::new();
@@ -31,13 +36,16 @@ pub fn solve() {
         .lines()
         .map(|line| {
             let mut nums = Vec::<u32>::new();
-            line.chars().enumerate().for_each(|(i,c)| {
+            line.chars().enumerate().for_each(|(i, c)| {
                 if c.is_digit(10) {
                     nums.push(c.to_digit(10).unwrap());
-                    return
+                    return;
                 }
-                for (k,v) in txt_nums.clone() {
-                    if c == k.chars().next().unwrap() && line.len() - i >= k.len() && (&line[i..i + k.len()]) == k {
+                for (k, v) in txt_nums.clone() {
+                    if c == k.chars().next().unwrap()
+                        && line.len() - i >= k.len()
+                        && (&line[i..i + k.len()]) == k
+                    {
                         nums.push(v)
                     }
                 }
@@ -47,8 +55,4 @@ pub fn solve() {
         .sum();
 
     println!("Result 2: {}", result);
-
-
-
-
-}
\ No newline at end of file
+}
diff --git a/src/days/d02.rs b/src/days/d02.rs
new file mode 100644
index 0000000..5618e8b
--- /dev/null
+++ b/src/days/d02.rs
@@ -0,0 +1,61 @@
+use regex::Regex;
+use std::fs;
+
+pub fn solve() {
+    let path = "res/02/input";
+
+    const MAX_R: usize = 12;
+    const MAX_G: usize = 13;
+    const MAX_B: usize = 14;
+
+    let contents = fs::read_to_string(path).expect("I/O error, wrong path?");
+    //let contents = io::BufReader::new(fs::File::open(path).expect("I/O error, wrong path?"));
+
+    let result: usize = contents
+        .lines()
+        .map(|line| {
+            let re = Regex::new(r"(\d+) (\w+)").unwrap();
+            let mut col_max = [0, 0, 0];
+            for cap in re.captures_iter(line) {
+                let number: usize = cap[1].parse().unwrap();
+                let color = &cap[2];
+
+                match color {
+                    "red" => col_max[0] = std::cmp::max(col_max[0], number),
+                    "green" => col_max[1] = std::cmp::max(col_max[1], number),
+                    "blue" => col_max[2] = std::cmp::max(col_max[2], number),
+                    _ => {}
+                }
+            }
+            col_max
+        })
+        .enumerate()
+        .filter(|(_, [r, g, b])| *r <= MAX_R && *g <= MAX_G && *b <= MAX_B)
+        .map(|(i, _)| i + 1)
+        .sum();
+
+    println!("Result 1: {}", result);
+
+    let result: usize = contents
+        .lines()
+        .map(|line| {
+            let re = Regex::new(r"(\d+) (\w+)").unwrap();
+            let mut col_max = [0, 0, 0];
+            for cap in re.captures_iter(line) {
+                let number: usize = cap[1].parse().unwrap();
+                let color = &cap[2];
+
+                match color {
+                    "red" => col_max[0] = std::cmp::max(col_max[0], number),
+                    "green" => col_max[1] = std::cmp::max(col_max[1], number),
+                    "blue" => col_max[2] = std::cmp::max(col_max[2], number),
+                    _ => {}
+                }
+            }
+            col_max
+        })
+        .map(|[r, g, b]| r * g * b)
+        .sum();
+
+    println!("Result 2: {}", result);
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 1eb8395..6122656 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
 pub mod days;
 
 fn main() {
-    days::d01::solve()
+    days::d02::solve()
     //_all_days()
 }