From 1f6d45b375dd3dc2b49f17b8cd3147339a39bf17 Mon Sep 17 00:00:00 2001
From: Liang Ding <d@b3log.org>
Date: Thu, 30 Mar 2023 19:51:22 +0800
Subject: [PATCH] :art: Improve virtual reference split words
 https://github.com/siyuan-note/siyuan/issues/7833

---
 kernel/search/mark.go | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/kernel/search/mark.go b/kernel/search/mark.go
index b6c35a122..6296439ee 100644
--- a/kernel/search/mark.go
+++ b/kernel/search/mark.go
@@ -18,10 +18,12 @@ package search
 
 import (
 	"fmt"
+	"github.com/88250/gulu"
 	"regexp"
 	"strings"
 	"unicode/utf8"
 
+	"github.com/88250/lute/lex"
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
@@ -86,8 +88,17 @@ func EncloseHighlighting(text string, keywords []string, openMark, closeMark str
 	}
 	re := ic + "("
 	for i, k := range keywords {
+		wordBoundary := lex.IsASCIILetterNums(gulu.Str.ToBytes(k)) // Improve virtual reference split words https://github.com/siyuan-note/siyuan/issues/7833
 		k = regexp.QuoteMeta(k)
-		re += "(" + k + ")"
+		re += "("
+		if wordBoundary {
+			re += "\\b"
+		}
+		re += k
+		if wordBoundary {
+			re += "\\b"
+		}
+		re += ")"
 		if i < len(keywords)-1 {
 			re += "|"
 		}