From f9b2d10c710d45ebd0cc9788294cd5806cc9e8ac Mon Sep 17 00:00:00 2001
From: Kangzhi Shi <shikangzhi@gmail.com>
Date: Fri, 5 Jan 2024 07:23:50 +0200
Subject: [PATCH] improve search at_beginning

---
 src/engine.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/engine.rs b/src/engine.rs
index c23ffb7a2..dbb58025f 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -201,15 +201,17 @@ impl State {
                 return search_info_charset(&mut req, self, ctx);
             }
             // fallback to general search
+            // skip OP INFO
+            ctx.skip_code_from(&req, 1);
         }
 
         if _match(&req, self, ctx) {
             return true;
         }
 
-        if ctx.try_peek_code_as::<SreOpcode, _>(&req, 1).unwrap() == SreOpcode::AT
-            && (ctx.try_peek_code_as::<SreAtCode, _>(&req, 2).unwrap() == SreAtCode::BEGINNING
-                || ctx.try_peek_code_as::<SreAtCode, _>(&req, 2).unwrap()
+        if ctx.try_peek_code_as::<SreOpcode, _>(&req, 0).unwrap() == SreOpcode::AT
+            && (ctx.try_peek_code_as::<SreAtCode, _>(&req, 1).unwrap() == SreAtCode::BEGINNING
+                || ctx.try_peek_code_as::<SreAtCode, _>(&req, 1).unwrap()
                     == SreAtCode::BEGINNING_STRING)
         {
             self.reset(req.end);