diff --git a/todo.txt b/todo.txt
new file mode 100644
index 0000000..4105502
--- /dev/null
+++ b/todo.txt
@@ -0,0 +1,2 @@
+1. Error-checking - invalid regex, Out-of-bounds stuff. Do more testing.
+2. More opreators - +, ?, character classes
\ No newline at end of file