From adcc0efda61606ac0bb513ba554c8dfac52b2ee6 Mon Sep 17 00:00:00 2001
From: Erik Minekus <ErikMinekus@users.noreply.github.com>
Date: Wed, 29 Apr 2020 02:37:45 +0200
Subject: [PATCH] Fix matching Regex against an empty string (#1253)

Removed the offset check from MatchRegex, as this
is already handled by pcre_exec.
---
 extensions/regex/extension.cpp | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/extensions/regex/extension.cpp b/extensions/regex/extension.cpp
index 54bda12a..0483dba5 100644
--- a/extensions/regex/extension.cpp
+++ b/extensions/regex/extension.cpp
@@ -134,12 +134,6 @@ static cell_t MatchRegex(IPluginContext *pCtx, const cell_t *params)
 	char *str;
 	pCtx->LocalToString(params[2], &str);
 
-	size_t len = strlen(str);
-	if (offset >= len)
-	{
-		return pCtx->ThrowNativeError("Offset greater or equal than string length\n");
-	}
-
 	int e = x->Match(str, offset);
 	if (e == -1)
 	{