diff --git a/numcpus_linux.go b/numcpus_linux.go
index 7b991da..d05ee98 100644
--- a/numcpus_linux.go
+++ b/numcpus_linux.go
@@ -47,10 +47,12 @@ func readCPURangeWith[T any](file string, f func(cpus string) (T, error)) (T, er
 	if err != nil {
 		return zero, err
 	}
-	return f(strings.Trim(string(buf), "\n "))
+	return f(string(buf))
 }
 
 func countCPURange(cpus string) (int, error) {
+	cpus = strings.Trim(cpus, "\n ")
+
 	// Treat empty file as valid. This might be the case if there are no offline CPUs in which
 	// case /sys/devices/system/cpu/offline is empty.
 	if cpus == "" {
@@ -58,7 +60,7 @@ func countCPURange(cpus string) (int, error) {
 	}
 
 	n := int(0)
-	for _, cpuRange := range strings.Split(cpus, ",") {
+	for cpuRange := range strings.SplitSeq(cpus, ",") {
 		if cpuRange == "" {
 			return 0, fmt.Errorf("empty CPU range in CPU string %q", cpus)
 		}
@@ -84,13 +86,15 @@ func countCPURange(cpus string) (int, error) {
 }
 
 func listCPURange(cpus string) ([]int, error) {
+	cpus = strings.Trim(cpus, "\n ")
+
 	// See comment in countCPURange.
 	if cpus == "" {
 		return []int{}, nil
 	}
 
 	list := []int{}
-	for _, cpuRange := range strings.Split(cpus, ",") {
+	for cpuRange := range strings.SplitSeq(cpus, ",") {
 		if cpuRange == "" {
 			return nil, fmt.Errorf("empty CPU range in CPU string %q", cpus)
 		}
diff --git a/numcpus_linux_test.go b/numcpus_linux_test.go
index f7cc9cd..f6f757c 100644
--- a/numcpus_linux_test.go
+++ b/numcpus_linux_test.go
@@ -31,6 +31,11 @@ func TestCPURange(t *testing.T) {
 			wantCount: 0,
 			wantList:  []int{},
 		},
+		{
+			str:       "\n",
+			wantCount: 0,
+			wantList:  []int{},
+		},
 		{
 			str:       "0",
 			wantCount: 1,
@@ -86,6 +91,11 @@ func TestCPURange(t *testing.T) {
 			wantCount: 9,
 			wantList:  []int{0, 2, 3, 4, 6, 8, 9, 10, 31},
 		},
+		{
+			str:       " 0,2-7\n",
+			wantCount: 7,
+			wantList:  []int{0, 2, 3, 4, 5, 6, 7},
+		},
 		{
 			str:     "invalid",
 			wantErr: true,
@@ -130,6 +140,10 @@ func TestCPURange(t *testing.T) {
 			str:     "0,5-3",
 			wantErr: true,
 		},
+		{
+			str:     "0, 5 - 3",
+			wantErr: true,
+		},
 	}
 
 	for _, tc := range testCases {