diff --git a/functions/rename.fish b/functions/rename.fish
new file mode 100644
index 0000000..7d9f72a
--- /dev/null
+++ b/functions/rename.fish
@@ -0,0 +1,5 @@
+# Rename <OLD> <NEW>
+# rename files with replace pattern
+function rename
+    rnr regex -f --no-dump $argv[1] $argv[2] ./*
+end