From 2b8a6ddd204ce5895821ab8af5a82faaf39d5ec8 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Wed, 28 Aug 2019 11:40:54 -0400
Subject: [PATCH] require leading alpha for hashtag

---
 fun.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fun.go b/fun.go
index 424b021..97fdf1a 100644
--- a/fun.go
+++ b/fun.go
@@ -151,7 +151,7 @@ func xfiltrate() string {
 	return s
 }
 
-var re_hashes = regexp.MustCompile(`(?:^|\W)#[[:alnum:]-]+`)
+var re_hashes = regexp.MustCompile(`(?:^|\W)#[[:alpha:]][[:alnum:]-]*`)
 
 func ontologies(s string) []string {
 	m := re_hashes.FindAllString(s, -1)