Translations:How to use WorldEdit/19/en

/we g[u,d,n,e,s,w] [length]
Grows the current selection given length (default 1). Examples:
/we gu - Grows the selection up by 1 block
/we gn -3 - Shrinks the selection from the north side
 

/we mmir[u,d,n,e,s,w] [|gn|sn]
Mirrors the marked area in given direction. If the second parameter is set, the current marked area will be modified to select the newly created area (sn) to to grow the selection to include both the old and new area (gn). Examples:
/we mmire - Mirrors the marked area to direction east
/wemmiru sn - Mirrors the marked area to direction up and will select the mark placed blocks.
 

/we mrep[u,d,n,e,s,w] [count] [|gn|sn]
Repeats (copies) the marked area in given direction for count times (default 1). If the third parameter is set, the current marked area will be modified to select the newly created area (sn) to to grow the selection to include both the old and new area (gn). Examples:
/we mreps - Repeats the marked area once to direction south
/we mrepu 5 - Repeats the marked area 5 times to direction up
/we mrepw 1 sn - Repeats the marked area once to direction south and will mark the newly placed blocks.