Day 06

day06/part1.py

@@ -0,0 +1,7 @@
+#!/usr/bin/env python3
+import re
+
+lines = (x.strip() for x in open("input.txt"))
+
+for line in lines:
+    print(re.search(r"(\w)(?!\1)(\w)(?!\1|\2)(\w)(?!\1|\2|\3)(\w)", line).end())