replace

Command	Explanation
:%s/\(.*\)/something\1	get the whole line and replace, \1 is the content of the line, for examle :%s/\(.*\)/String \1 = “”;
r	replace character under current cursor
R	replace from current cursor
:s/\s\+/xxx/g	替换一段连续的空白
:%s/$/xxx/ 或者 :x,ynorm AxxxEsc	每行的行尾添加相同的内容”xxx”
:%s/xxx.*/yyy/	从xxx处至行尾替换成yyy,其中若”yyy”为空串，则可变为从”xxx”处删至行尾
:g/red/s/blue/green	替换包含某字符串的行,to replace “blue” with “green” in lines that contain “red”
:g!/red/s/blue/green	替换不包含某字符串的行,to do the replacement in lines that do not contain “red”
%s/^)/somestring/	替换以)开头的行, /^)查找以)开头的行,在查找的内容前加上^
:%s/\cmyString/newString/g	查找、替换时不区分大小写,在查找的内容前加上\c

delete

Command	Explanation
:%norm f:D	对每一行删除冒号及冒号之后的内容,其中f前可加上数字1，表示从第几个冒号开始删除，若D前加上小写字母”l(L)”,则删除内容不包括冒号
:ndk	delete current and n lines above. (n + 1 lines in total)
:%s/^.*+//	删除一行中+前的内容，包含+
:s/^.*(FOO)/\1/	删除一行中FOO前的内容，不包含FOO
:%s/.*Hello/Hello/	删除最后一个匹配的Hello之前的内容
:%s/.\{-}Hello/Hello	删除第一个匹配的Hello之前的内容
df#	从光标处删至#符号(包含)
dF#	从光标处反向删至#符号(包含)
dt#	从光标处删至#符号(不包含)
dT#	从光标处反向删至#符号(不包含)
d^	从光标处删至行首
d0	从光标处删至行首
dgg	从当前行删至首行
d$	从光标处删至行尾
dG	从当前行删至尾行
ggdG	删除所有行
:%d	删除所有行
:1,$d	删除所有行
:g/.*/d	删除所有行
:g/^$/d	delete all empty lines
:g/^\s*$/d	delete all lines that are empty or that contain only whitespace characters (spaces, tabs)
:g/abcd/d	删除所有包含”abcd”的行
:%g!/abcd/d	删除所有不包含”abcd”的行
:%v/abcd/d	删除所有不包含”abcd”的行
:%g!/abcd\|efgh/d	删除所有不包含”abcd”且不包含”efgh”的行
:g!/^[0-9]/d	删除所有不以数字开头的行
3dk	删除当前及上面3行，即一共3+1行
3dd	向下删除,一共3行
dip	删除整段
dap	删除整段
diw	删除一个单词
diW	delete inner WORD(A WORD consists of a sequence of non-blank characters, separated with white space. An empty line is also considered to be a WORD.)
daw	删除一个单词
daW	delete around WORD
dvip	merge multiple blank lines to one
:%s/\/\*\_.\{-}\*\///	remove all /* … */
:%s/\/\*\*\_.\{-}\*\///	remove all /** … */

yank

Command	Explanation
y$	yank to the end of the current line (but don’t yank the newline character)
^y$	the current line (but don’t yank the newline character)
y5l	向后复制5个字符
y5h	向前复制5个字符
:4co.Enter	复制第4行并粘贴至当前行的下一行
:xcoyEnter	复制第x行并粘贴至y行的下一行
:x, ycozEnter	复制第x至y行并粘贴至z行的下一行
:4t.Enter	复制第4行并粘贴至当前行的下一行
:xtyEnter	复制第x行并粘贴至y行的下一行
:x, ytzEnter	复制第x至y行并粘贴至z行的下一行
yip	复制整段
yap	复制整段
yip	复制一个单词
yap	复制一个单词

count

Command	Explanation
:%s/string//gn	统计某匹配串出现的次数

search

Command	Explanation
*	search for the word under the cursor forward(Gn jump to the first match, and GN jump to the last)
#	search for the word under the cursor backward

move

Command	Explanation
n|	move cusor to the column of n
CTRL+f	向前翻屏
CTRL+b	向后翻屏
CTRL+d	向前翻半屏
CTRL+u	向后翻半屏
ge	move cursor to the end of the previous word
gE	move cursor to the end of the previous WORD
:x,ymz	move lines between x and y to z
:’<,’>m$	把选中的文本移到文件结尾
`.	jump to last edit place
’.	jump to last edit place

highlight settings

Command	Explanation
:noh	取消替换、搜索之后的高亮

case change

Command	Explanation
~	toggle case of the character under the cursor, or all visually-selected characters
3~	toggle case of the next three characters
g~	toggle case change
g~3w	toggle case of the next three words
g~iw	toggle case of the current word (inner word – cursor anywhere in word)
g~$	toggle case of all characters to end of line
g~~	toggle case of the current line (same as V~)
gu	toggle lowercase
gU	toggle uppercase
guu	change the current line to lowercase (same as Vu)
gUU	change the current line to uppercase (same as VU)
guiw	change current word to lowercase
gUiw	change current word to uppercase

split window

Command	Explanation
:sp or Ctrl+w+s	split the current window horizontally, loading the same file in the new window
:vsp or Ctrl+w+v	split the current window vertically, loading the same file in the new window
:q	close the currently active window
:on	close all windows except the currently active window

buffer

Command	Explanation
:b2	go to buffer 2
:bd	close current buffer
:qa	close all buffer
:wqa	save work in all buffer and close all

join

Command	Explanation
%j	join all line to one line
%s/\n//g	join all line to one line
ggVGJ	join all line to one line
1,$join	join all line to one line

xml

Command	Explanation
at	一对XML标签tags
it	XML标签内部
cit	替换XML标签内部
dit	删除XML标签内部
yit	复制XML标签内部

format

Command	Explanation
ggvG=	格式化代码
:m, n!python -m json.tool	格式化json

宏录制

Command	Explanation
1.qa 2.do something 3.q 4.100@a	宏录制及其使用

new file

Command	Explanation
:tabe new_file_name	在new tab中创建新文件（如果跟我一样不喜欢:new new_file_name命令可用这个），等价于:tab new