hostmask recognition

[n0s37]

I have made a script where you msg the bot and it will send the msg to all the ops. But I dont want it to be sent to every op. I want to be able to choose to who it sends the msg to. I've thought of 2 ways, one using flags, or hostmasks. The problem is I dont know where to start. Some help would be appreciated. Heres code

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bind msg - help noticeuser

proc noticeuser {nick uhost hand arg} {
  putserv "NOTICE n0s37 :blahblahblah"
}

[caesar]

Channel operator or users with +o flag? For channel operators:

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foreach user [chanlist #channel] {
  if {![isop $user $channel] || [strlwr $user] == [strlwr $::botnick]} { continue }
  # do the msg
}

and for users with +o flag:

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foreach user [chanlist #channel o|o] {
  # do the msg
}

something like this anyway..