Abbreviated version of this script, by popular demand.

; r_highlightspam_short.mrc 31-Mar-2010 by Raccoon/EFnet Version 1.a 28-Apr-2010
;###############################################################################
;#      Highlight Spam Blocker script for mIRC!       by Raccoon on EFnet      #
;###############################################################################

On ^*:TEXT:*:#:   { CatchHighlightSpam $1- }
On ^*:ACTION:*:#: { CatchHighlightSpam $1- }
On ^*:NOTICE:*:#: { CatchHighlightSpam $1- }
CTCP ^*:*:#:      { CatchHighlightSpam $1- }

; Determine if user text is nick-spammy.
ALIAS -l CatchHighlightSpam {
  ;# Users with these prefixes are exempt.  Eg, Channel Ops.
  ;# (~,*) Owner, (&,!) Admin, (@) Chan-Op, (%) Half-Op, (+) Voice
  if $nick($chan,$nick,~&!*@%+) { return }

  ; search for nicknames in user text string.
  var %re = /([][A-Za-z0-9`^|\\{}_-]{4,})/g
  noop $regex($strip($1-),%re)
  var %n = $regml(0), %cnt = 0
  WHILE %n { ; loop through 'words'.
    if ($regml(%n) ison $chan) inc %cnt
    if (%cnt > 5) { ; Maximum number of nicknames in a sentence.
      if $nick($chan,$me,~!&@%) { ; have ops? ban!
        ban -ku3600 $chan $nick 2 Who disturbs our slumber?
      } | else { ; don't have ops? ignore!
        echo -tic info $chan * Ignoring $nick for 5 minutes for highlight spam.
        .ignore -cntiu300 $nick 2 | haltdef
      }
      return ; done. spam thwarted.
    }
    dec %n
} }

; End of script.
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