1 files changed, 3 insertions, 0 deletions
diff --git a/utils.py b/utils.py
new file mode 100644
index 0000000..ea5e0c1
--- /dev/null
+++ b/utils.py
@@ -0,0 +1,3 @@
+def is_foreign_url(link: str, filters: list[str]):
+    dest_lower = link.lower()
+    return (dest_lower.startswith("http://") or dest_lower.startswith("https://")) and not any((elem in dest_lower for elem in filters))
+\ No newline at end of file