Something
public text v1 · immutableon *:TEXT:*:*:{
if (($regex($lower($1-),(^|\s)(fb|fire|fireburn\[lts\]|fireburn|$me)($|\s|!|,|\.|\?)+) > 0)) {
if ($window(@highlight) == $null) /window -a @highlight
/aline -p @highlight $timestamp 4 $+ $nick in $chan $+ : $1-
}
}