diff --git a/day-01/internal/one/solve.go b/day-01/internal/one/solve.go
index 24d6f09..4d34f43 100644
--- a/day-01/internal/one/solve.go
+++ b/day-01/internal/one/solve.go
@@ -5,13 +5,11 @@ import (
 	"bytes"
 	"io"
 	"math"
-	"regexp"
+	"strings"
 
 	"github.com/onyx-and-iris/aoc2024/day-01/internal/util"
 )
 
-var reNums = regexp.MustCompile(`[0-9]+`)
-
 func Solve(data []byte) (int, error) {
 	r := bytes.NewReader(data)
 	left, right, err := parseLines(r)
@@ -31,7 +29,7 @@ func parseLines(r io.Reader) ([]int, []int, error) {
 
 	scanner := bufio.NewScanner(r)
 	for scanner.Scan() {
-		nums := reNums.FindAllString(scanner.Text(), -1)
+		nums := strings.Fields(scanner.Text())
 
 		left = util.InsertSorted(left, util.MustConv(nums[0]))
 		right = util.InsertSorted(right, util.MustConv(nums[1]))
diff --git a/day-01/internal/two/solve.go b/day-01/internal/two/solve.go
index b0683b2..5f2c07d 100644
--- a/day-01/internal/two/solve.go
+++ b/day-01/internal/two/solve.go
@@ -4,14 +4,12 @@ import (
 	"bufio"
 	"bytes"
 	"io"
-	"regexp"
 	"slices"
+	"strings"
 
 	"github.com/onyx-and-iris/aoc2024/day-01/internal/util"
 )
 
-var reNums = regexp.MustCompile(`[0-9]+`)
-
 func Solve(data []byte) (int, error) {
 	r := bytes.NewReader(data)
 	left, right, err := parseLines(r)
@@ -43,7 +41,7 @@ func parseLines(r io.Reader) (map[int]int, []int, error) {
 
 	scanner := bufio.NewScanner(r)
 	for scanner.Scan() {
-		nums := reNums.FindAllString(scanner.Text(), -1)
+		nums := strings.Fields(scanner.Text())
 
 		left[util.MustConv(nums[0])]++
 		right = util.InsertSorted(right, util.MustConv(nums[1]))