From f28727f61e270ecbd58e52318d3895990ff66fe5 Mon Sep 17 00:00:00 2001
From: drh <>
Date: Sun, 3 Jul 2022 14:25:47 +0000
Subject: Fix the initial-prefix optimization for the REGEXP extension such
 that it works even if the prefix contains characters that require a 3-byte
 UTF8 encoding.  This should fix the problem reported by
 [forum:/forumpost/96692f8ba5|forum post 96692f8ba5].

FossilOrigin-Name: c94595a6e15490b432f099fefbe2429fa19287f7bdc86332cba0fd1e08f65bd6
---
 ext/misc/regexp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/misc/regexp.c')

diff --git a/ext/misc/regexp.c b/ext/misc/regexp.c
index b626ca424..52973cc73 100644
--- a/ext/misc/regexp.c
+++ b/ext/misc/regexp.c
@@ -685,7 +685,7 @@ static const char *re_compile(ReCompiled **ppRe, const char *zIn, int noCase){
         pRe->zInit[j++] = (unsigned char)(0xc0 | (x>>6));
         pRe->zInit[j++] = 0x80 | (x&0x3f);
       }else if( x<=0xffff ){
-        pRe->zInit[j++] = (unsigned char)(0xd0 | (x>>12));
+        pRe->zInit[j++] = (unsigned char)(0xe0 | (x>>12));
         pRe->zInit[j++] = 0x80 | ((x>>6)&0x3f);
         pRe->zInit[j++] = 0x80 | (x&0x3f);
       }else{
-- 
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