From 40aa7eaf93ec922be75024ecedc855130381da83 Mon Sep 17 00:00:00 2001
From: Gary Wong <gtw@gnu.org>
Date: Wed, 18 Jun 2025 20:48:20 -0600
Subject: [PATCH] verilog: fix string literal regular expression.

A backslash was improperly quoted, causing string literal matching
to fail when the final token before a closing quote was an escaped
backslash.
---
 frontends/verilog/verilog_lexer.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontends/verilog/verilog_lexer.l b/frontends/verilog/verilog_lexer.l
index 8148748d8..40162b8d3 100644
--- a/frontends/verilog/verilog_lexer.l
+++ b/frontends/verilog/verilog_lexer.l
@@ -336,7 +336,7 @@ TIME_SCALE_SUFFIX [munpf]?s
 }
 
 \"		{ BEGIN(STRING); }
-<STRING>([^\"]|\\.)+	{ yymore(); real_location = old_location; }
+<STRING>([^\\"]|\\.)+	{ yymore(); real_location = old_location; }
 <STRING>\"	{
 	BEGIN(0);
 	char *yystr = strdup(yytext);