From 445438a55754dc52fd396a4af9af22232060c39c Mon Sep 17 00:00:00 2001
From: marihachi <marihachi0620@gmail.com>
Date: Sat, 5 Jun 2021 17:30:23 +0900
Subject: [PATCH] disallow a hashtag with only numbers

---
 src/parser.pegjs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/parser.pegjs b/src/parser.pegjs
index feb0fdc..342cfcb 100644
--- a/src/parser.pegjs
+++ b/src/parser.pegjs
@@ -341,7 +341,10 @@ hashtag
 }
 
 hashtagContent
-	= !([0-9]+ !hashtagContentPart) hashtagContentPart+ { return text(); }
+	= !(invalidHashtagContent !hashtagContentPart) hashtagContentPart+ { return text(); }
+
+invalidHashtagContent
+	= [0-9]+
 
 hashtagContentPart
 	= hashtagBracketPair / hashtagChar