1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/util/util.go b/pkg/util/util.go
index b26b46a..7963cac 100644
--- a/pkg/util/util.go
+++ b/pkg/util/util.go
@@ -3,6 +3,7 @@ package util
 import (
 	"iter"
 	"math"
+	"strings"
 	"time"
 )
 
@@ -162,3 +163,10 @@ func Nearest[E any](candidate E, valid []E, cmp func(E, E) int, ceil int) (E, bo
 	}
 	return valid[minIdx], minDistance < ceil
 }
+
+// Check if substr[left:right] is a substring of S.
+// If left > len(substr) use 0
+// If right < 0 use 0
+func ContainsSliced(s, substr string, left, right int) bool {
+	return strings.Contains(s, substr[min(left, len(substr)):max(right, 0)])
+}