hilight
Syntax
HILIGHT [-nick | -word | -line] [-mask | -full | -matchcase | -regexp] [-color <color>] [-actcolor <color>] [-level <level>] [-priority <number>] [-network <network>] [-channels <channels>] <text>Parameters
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Highlights only the nickname and not the whole line.  | 
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Highlights only the word and not the whole line.  | 
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Highlights the whole line.  | 
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Highlights all messages from users matching the mask.  | 
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The text must match the full word.  | 
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The text must match case.  | 
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The text is a regular expression.  | 
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The color to display the highlight in.  | 
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The color to mark the highlight activity in the statusbar.  | 
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Matches only on the given message level.  | 
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Matches only on the given network.  | 
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Matches only on the given channels.  | 
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The priority to use when multiple highlights match.  | 
The text to highlight on; if no argument is given, the list of highlights will be displayed.
Description
Highlights the keyword or pattern to make sure that you don’t miss any important messages.
Examples
/HILIGHT
/HILIGHT mike
/HILIGHT -regexp mi+ke+
/HILIGHT -mask -color %G bob!*@*.irssi.org
/HILIGHT -full -color %G -actcolor %Y redbull