[ASCII NESW          ]     [  1]  [ 32]
               [UNICODE NESW        ]     [  1]  [ 32]
               [UNICODE NESW LINE   ]     [  1]  [ 16]
               [UNICODE NESW MISC   ]     [ 17]  [ 24]
               [UNICODE NESW DIRS   ]     [ 25]  [ 32]
               [UNICODE NESW TUBE   ]     [  1]  [ 32]
               [MUDFONT BRAILLE TUBE]     [ 33]  [164]
               [MUDFONT BRAILLE LINE]     [ 33]  [164]
               [MUDFONT PRIVATE     ]     [ 33]  [164]
               [MUDFONT CURVED      ]     [161]  [164]
               [RESET               ]     [  1]  [164]

^   force match of start of line.
$   force match of end of line.

%1-%99 lazy match of any text, available at %xx (%1-%99).
%0 should be avoided in triggers, and if left alone lists all matches.

{ } embed a regular expression, available at %xx + 1.

[ ] . + | ( ) ? * are treated as normal text unlessed used within braces. Keep in mind that { } is replaced with ( ) when using braces.

Of the following the (lazy) match is available at %xx + 1

%w match zero to any number of letters.
%W match zero to any number of non letters.
%d match zero to any number of digits.
%D match zero to any number of non digits.
%s match zero to any number of spaces.
%S match zero to any number of non spaces.
%? match zero or one character.
%. match one character.
%+ match one to any number of characters.
%* match zero to any number of characters.

[his|her] is no longer valid, use {his|her} 

%{variable} is no longer valid, no alternative available. 

^ can no longer be used as end of line marker. 

unnumbered arguments like %w and {his|her} have the match start at %1 instead of %0.

• \n sends a new line (smile\ngrin equals: smile;grin)
• \e sends an ESC code (#showme \e[2J to clear screen)
• \a sends a beep (same as #bell)
• \t sends a tap, might make some formatting stuff easier.
• \r sends a carriage return, not that useful, but who knows