diff --git a/src/lib.zig b/src/lib.zig
index 2ebf355b5b36a151bdf5d403bf820f4f316f1837..ccddd435234dcf472889be3a29e7678d5c6cafb0 100644
--- a/src/lib.zig
+++ b/src/lib.zig
@@ -234,3 +234,12 @@ pub fn sortBy(comptime T: type, items: []T, comptime field: std.meta.FieldEnum(T
         }
     }.f);
 }
+
+pub fn containsString(haystack: []const string, needle: string) bool {
+    for (haystack) |item| {
+        if (std.mem.eql(u8, item, needle)) {
+            return true;
+        }
+    }
+    return false;
+}