alias gettokn { var %a = \x $+ $base($3,10,16),%b,%r %r = $+(/,$chr(40),^,%a,*,|,$chr(40),?<=,%a,$chr(41),%a,*,|,%a,*$,$chr(41),/g) noop $regsub($1,%r,$null,%b) return $gettok(%b,$2,$3) }