From f59777b0b35e44179a513d118988cb6677bc7791 Mon Sep 17 00:00:00 2001
From: Randy Fellmy <git@coises.com>
Date: Thu, 3 Apr 2025 13:07:10 -0700
Subject: [PATCH] Fix a hanging issue on regexp

The hanging issue is introduced by https://github.com/notepad-plus-plus/notepad-plus-plus/commit/a52738c1ddaad15fcc56c144402bda5139c13373.

Close #16371
---
 boostregex/BoostRegExSearch.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boostregex/BoostRegExSearch.cxx b/boostregex/BoostRegExSearch.cxx
index dc3125f67..ca1f1c734 100644
--- a/boostregex/BoostRegExSearch.cxx
+++ b/boostregex/BoostRegExSearch.cxx
@@ -437,7 +437,7 @@ Sci::Position BoostRegexSearch::SearchParameters::nextCharacter(Sci::Position po
 	if (_skip_windows_line_end_as_one_character && _document->CharAt(position) == '\r' && _document->CharAt(position+1) == '\n')
 		return position + 2;
 	else
-		return _document->NextPosition(position, 1);
+		return std::max(_document->NextPosition(position, 1), position + 1);
 }
 
 bool BoostRegexSearch::SearchParameters::isLineStart(Sci::Position position) const