[dice7]

pawn Код:

format(str, sizeof(str), "%c%s%c", ' ', player, ' ');
while(fread(file,string,sizeof(string)))
{
  if(strfind(string, str, true) != -1)
  {
    SendClientMessage(playerid,COLOR_RED,"Yes, your name is in the file called armysafe.txt");
    printf("%s",string);
  }
}

Untested, but it should work. It will search for " BM[UK] "