on ^*:QUIT: {
if ( *.*.* iswm $1 ) && ( *.*.* iswm $2 ) && ( %serv1 != $1 ) && ( %serv2 != $2 ) {
%serv1 = $1
%serv2 = $2
echo $active 14«8×14»15«0»-. /¯(14 NetSplit Detected Between:4 $1 12& 4 $2 0)¯\ .-«15»14«8×15»
}
}

thats the only way i know of detecting it unless ur an Oper on a server .... then ud be able to see the split in an snotice