Do not use regex for chat bot bans.

src/net/common/serverbanmanager.cpp

@@ -31,6 +31,18 @@ ServerBanManager::~ServerBanManager()
 {
 }
 
+void
+ServerBanManager::BanPlayerName(const std::string &playerName, unsigned durationHours)
+{
+	boost::mutex::scoped_lock lock(m_banMutex);
+	unsigned banId = GetNextBanId();
+
+	TimedPlayerBan tmpBan;
+	tmpBan.timer = InternalRegisterTimedBan(banId, durationHours);
+	tmpBan.nameStr = playerName;
+	m_banPlayerNameMap[banId] = tmpBan;
+}
+
 void
 ServerBanManager::BanPlayerRegex(const string &playerRegex, unsigned durationHours)
 {
@@ -91,7 +103,11 @@ ServerBanManager::GetBanList(list<string> &list) const
 	while (i_nick != end_nick)
 	{
 		ostringstream banText;
-		banText << (*i_nick).first << ": (nick) - " << (*i_nick).second.nameRegex.str();
+		if ((*i_nick).second.nameStr.empty())
+			banText << (*i_nick).first << ": (nickRegex) - " << (*i_nick).second.nameRegex.str();
+		else
+			banText << (*i_nick).first << ": (nickStr) - " << (*i_nick).second.nameStr;
+
 		if ((*i_nick).second.timer)
 			banText << " duration: " << (*i_nick).second.timer->expires_from_now().hours() << "h";
 		list.push_back(banText.str());
@@ -127,10 +143,22 @@ ServerBanManager::IsPlayerBanned(const std::string &name) const
 	RegexMap::const_iterator end = m_banPlayerNameMap.end();
 	while (i != end)
 	{
-		if (regex_match(name, (*i).second.nameRegex))
+		// Use regex only if name not set.
+		if ((*i).second.nameStr.empty())
 		{
-			retVal = true;
-			break;
+			if (regex_match(name, (*i).second.nameRegex))
+			{
+				retVal = true;
+				break;
+			}
+		}
+		else
+		{
+			if (name == (*i).second.nameStr)
+			{
+				retVal = true;
+				break;
+			}
 		}
 		++i;
 	}

src/net/common/serverlobbythread.cpp

@@ -109,7 +109,7 @@ public:
 		string playerName(m_server.GetPlayerNameFromId(playerId));
 		if (!playerName.empty())
 		{
-			m_server.GetBanManager().BanPlayerRegex(playerName, 1);
+			m_server.GetBanManager().BanPlayerName(playerName, 1);
 			m_server.RemovePlayer(playerId, ERR_NET_PLAYER_KICKED);
 		}
 	}