From a88b256b6c0692eb1bf79cd4dfa7461a206869ee Mon Sep 17 00:00:00 2001
From: David Bolack <dbolack@gmail.com>
Date: Wed, 13 Dec 2023 21:47:55 -0600
Subject: [PATCH] A better regex for underlining.

---
 shared/naturalcrit/markdown.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/shared/naturalcrit/markdown.js b/shared/naturalcrit/markdown.js
index 83badb05e..2c2f356c5 100644
--- a/shared/naturalcrit/markdown.js
+++ b/shared/naturalcrit/markdown.js
@@ -237,9 +237,9 @@ const superSubScripts = {
 const underline = {
 	name  : 'underline',
 	level : 'inline',
-	start(src) { return src.match(/\w_[^_]_/m)?.index;},
+	start(src) { return src.match(/\b_(?![_\s])(.*?[^_\s])_\b/m)?.index;},
 	tokenizer(src, tokens) {
-		const uRegex = /^_([^_]*)_/m;
+		const uRegex = /^\b_(?![_\s])(.*?[^_\s])_\b/m;
 	    const match = uRegex.exec(src);
 		console.log('Looking');
 		if(match?.length) {