From 91f90befb3712a77d519a687310218628e8cf007 Mon Sep 17 00:00:00 2001
From: yumaojun <yumaojun@qq.com>
Date: Thu, 2 Mar 2023 17:50:08 +0800
Subject: [PATCH] =?UTF-8?q?bugfix=EF=BC=9A=E6=AD=A3=E5=88=99=E8=A1=A8?=
 =?UTF-8?q?=E8=BE=BE=E5=BC=8F=E5=AD=97=E7=AC=A6=E8=BD=AC=E4=B9=89?=
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---
 .../Implementation/StyleMonitor/SelectionStyleMonitor.cs  | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/ST.Library.UI.STTextBox/Implementation/StyleMonitor/SelectionStyleMonitor.cs b/ST.Library.UI.STTextBox/Implementation/StyleMonitor/SelectionStyleMonitor.cs
index 443d8dd..0a041ff 100644
--- a/ST.Library.UI.STTextBox/Implementation/StyleMonitor/SelectionStyleMonitor.cs
+++ b/ST.Library.UI.STTextBox/Implementation/StyleMonitor/SelectionStyleMonitor.cs
@@ -41,10 +41,14 @@ public void OnSelectionChanged(TextManager textManager, int nStart, int nLen) {
                 }
                 return false;
             });
-            if (!string.IsNullOrEmpty(strKey))  {
+            if (!string.IsNullOrEmpty(strKey)) {
                 string strText = textManager.GetText();
                 List<TextStyleRange> lst = new List<TextStyleRange>();
-                foreach (Match m in Regex.Matches(strText, "\\b" + strKey + "\\b")) {
+                if ("* . ? + $ ^ [ ] ( ) { } | \\ /".Split(' ').Contains(strKey))
+                {
+                    strKey = "\\" + strKey;
+                }
+                foreach (Match m in Regex.Matches(strText, "\\b" + strKey + "\\b")) { // * . ? + $ ^ [ ] ( ) { } | \ /
                     lst.Add(new TextStyleRange() {
                         Index = m.Index,
                         Length = m.Length,