diff --git a/src/solutions/day01.rs b/src/solutions/day01.rs
index eda372a..32e0245 100644
--- a/src/solutions/day01.rs
+++ b/src/solutions/day01.rs
@@ -38,7 +38,7 @@ impl Solution for Day01 {
         &self,
         input: &mut Vec<String>,
     ) -> Result<Box<dyn std::fmt::Display>, Box<dyn std::error::Error>> {
-        const REG: &str = r#"(?=(\d|one|two|three|four|five|six|seven|eight|nine))"#;
+        const REG: &str = r#"[0-9]|one|two|three|four|five|six|seven|eight|nine"#;
         let mut total: u32 = 0;
         for line in input {
             total += self.regex_get_num(REG, line);
@@ -56,9 +56,17 @@ impl Day01 {
     fn regex_get_num(&self, regex: &str, input: &mut String) -> u32 {
         let re = Regex::new(regex).unwrap();
 
+        let input = input.replace("oneight", "oneeight");
+        let input = input.replace("threeight", "threeeight");
+        let input = input.replace("fiveight", "fiveeight");
+        let input = input.replace("nineight", "nineeight");
+        let input = input.replace("twone", "twoone");
+        let input = input.replace("sevenine", "sevennine");
+        let input = input.replace("eightwo", "eighttwo");
+
         // Get all single digits out of string
         let matches: Vec<&str> = re
-            .find_iter(input)
+            .find_iter(&input)
             .map(|m| m.unwrap().as_str())
             .collect();