Zastita.

regex_IsValidIP(const pid, const string[])
{

	//Caps converter!
	/*new len = strlen(string);
	new solid_str[512]; format(solid_str, sizeof(solid_str), "%s", string);
	new Regex:CapsC = Regex_New("[A-Z]*");
	if(Regex_Check(string, CapsC))
	{
		Regex_Delete(CapsC);
		for(new i; i < len; i++)
		{
			new ststst[8]; strmid(ststst, string, i, i+1);
			for(new k; k < 26; k++)
			{
				if(strcmp(ststst, AlpBig[k][0], true) == 0)
				{
					ReplaceString(solid_str, AlpBig[k][0], AlpSmall[k][0], solid_str);
				}
			}
		}
	}
	else
	{
		Regex_Delete(CapsC);
	}*/

	if(isnull(string)) return 0;
	//IP-Checker
	new Regex:ipRegex = Regex_New(".*((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)([A-Za-z\\s\\\\`´\\?\\*'#~\\+-_;\\.,:=}{\\[\\]\\(\\)/&%\\^\\$§³²°!\"])*(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)([A-Za-z\\s\\\\`´\\?\\*'#~\\+-_;\\.,:=}{\\[\\]\\(\\)/&%\\^\\$§³²°!\"])*(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)([A-Za-z\\s\\\\`´\\?\\*'#~\\+-_;\\.,:=}{\\[\\]\\(\\)/&%\\^\\$§³²°!\"])*(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)).*");
	if(Regex_Check(string, ipRegex))
	{
		Regex_Delete(ipRegex);
		foreach (new k : Player)
		{
			if(playerData[k][pd_AdminRank] > 2)
			{
				if(playerData[k][pd_AdminRank] >= playerData[pid][pd_AdminRank])
				{
					new zu[128];
					format(zu, sizeof(zu), "[SERVER] %s(%i) probably advertises: %s", ReturnPlayerName(pid), pid, string);
					SendClientMessage(k, COLOR_ALERT, zu);
					SendClientMessage(pid, COLOR_NOTIFY, "[SERVER] Found possible Advertisment. ");
				}
			}
		}
		strdel(ColADV[pid], 0, strlen(ColADV[pid]));
		return 1;
	}
	//Domain-Checker
	new Regex:domainRegex = Regex_New("(.*([\\\\`´\\?\\*'#~\\+-_;\\.,:=}{\\[\\]\\(\\)/&%\\^\\$§³²°!\"]{1,1}\\w{1,18})).*");
	if(Regex_Check(string, domainRegex))
	{
		Regex_Delete(domainRegex);
		foreach (new u : Player)
		{
			if(playerData[u][pd_AdminRank] > 2)
			{
				if(playerData[u][pd_AdminRank] >= playerData[pid][pd_AdminRank])
				{
					new du[128];
					format(du, sizeof(du), "[SERVER] %s(%i) is probably advertising: %s", ReturnPlayerName(pid), pid, string);
					SendClientMessage(pid, COLOR_NOTIFY, "[SERVER] Found possible Advertisment.");
					SendClientMessage(u, COLOR_ALERT, du);
					return 1;
				}
			}
		}

		for(new z = 0; z < sizeof(SearchDomain); z++)
		{
			if(strcmp(string, SearchDomain[z]) == 0)
			{
				foreach (new p : Player)
				{
					if(playerData[p][pd_AdminRank] > 2)
					{
						if(playerData[p][pd_AdminRank] >= playerData[pid][pd_AdminRank])
						{
							new mu[128];
							format(mu, sizeof(mu), "[SERVER] %s(%i) advertises: %s", ReturnPlayerName(pid), pid, string);
							SendClientMessage(pid, COLOR_NOTIFY, "[SERVER] Found possible Advertisment. ");
							SendClientMessage(p, COLOR_ALERT, mu);
							strdel(ColADV[pid], 0, strlen(ColADV[pid]));
							return 1;
						}
					}
				}
			}
		}
		strdel(ColADV[pid], 0, strlen(ColADV[pid]));
		return 1;
	}

    return 0;
}