diff --git a/nightly/nightly/night.py b/nightly/nightly/night.py
index 0cd2b66..6f8d81e 100644
--- a/nightly/nightly/night.py
+++ b/nightly/nightly/night.py
@@ -86,7 +86,7 @@ class Night(commands.Cog):
 
     @commands.hybrid_command()
     async def leetcode(self, ctx: commands.Context, url: str):
-        match = re.search(r"/problems/([a-z0-1\-]*)", url)
+        match = re.search(r"/problems/([a-z0-9\-]*)", url)
         if not match:
             await ctx.reply("invalid url")
             return