Operation and Maintenance
Linux Operation and Maintenance
What is the vim find and replace command?The vim search command is [wq] to save and exit, [q] is to modify the dimension and exit, [q!] is to force exit without saving; the vim replacement command is [s/old/new] to use New replaces the first occurrence of old in the line. [s/old/new/g] replaces all old in the line with new.

vim search and replace command is:
1. (Command mode) colon command
If you want to exit from the vim command mode interface, you need to enter a colon and command
:wq 保存并退出 :q 维修改退出 :q! 强制退出并不保存
2. (Command mode) move the cursor
In vim Interface, cursor movement method in command mode
1、使用上下左右方向键 2、命令模式下: h 向左 j 向下 k 向上 l 向右 空格键 向右 Backspace 向左 Enter 移动到下一行首 - 移动到上一行首。 :set nu //显示行号 :set nonu //取消显示行号 n+ //向下跳n行 n- //向上跳n行 nG //跳到行号为n的行 G //跳至文件的底部 g //跳转到文件头部
3, (insert mode) editing mode
以下按键进入编辑插入模式 a //在当前光标位置的右边添加文本 i //在当前光标位置的左边添加文本 A //在当前行的末尾位置添加文本 I //在当前行的开始处添加文本(非空字符的行首) O //在当前行的上面新建一行 o //在当前行的下面新建一行 R //替换(覆盖)当前光标位置及后面的若干文本 J //合并光标所在行及下一行为一行(依然在命令模式) ESC可以退出编辑模式
4, (command mode) deletion and copy
In vim, in addition to modifying files in edit mode, you can delete and copy in command mode
x //删除当前字符 nx //删除从光标开始的n个字符 dd //删除当前行 ndd //向下删除当前行在内的n行 u //撤销上一步操作 U //撤销对当前行的所有操作 yy //将当前行复制到缓存区,也可以用 "ayy 复制,"a 为缓冲区,a也可以替换为a到z的任意字母,可以完成多个复制任务。 nyy //将当前行向下n行复制到缓冲区,也可以用 "anyy 复制,"a 为缓冲区,a也可以替换为a到z的任意字母,可以完成多个复制任务。 yw //复制从光标开始到词尾的字符。 nyw //复制从光标开始的n个单词。 y^ //复制从光标到行首的内容。 VPS侦探 y$ //复制从光标到行尾的内容。 p //粘贴剪切板里的内容在光标后,如果使用了前面的自定义缓冲区,建议使用"ap 进行粘贴。 P //粘贴剪切板里的内容在光标前,如果使用了前面的自定义缓冲区,建议使用"aP 进行粘贴。
5. (Command mode) search and replace
In command mode (esc exits insert mode)
/keyword //向光标下搜索keyword字符串,keyword可以是正则表达式 ?keyword //向光标上搜索keyword字符串 n //向下搜索前一个搜素动作 N //向上搜索前一个搜索动作 *(#) //当光标停留在某个单词上时, 输入这条命令表示查找与该单词匹配的下(上)一个单词. 同样, 再输入 n 查找下一个匹配处, 输入 N 反方向查找. g*(g#) //此命令与上条命令相似, 只不过它不完全匹配光标所在处的单词, 而是匹配包含该单词的所有字符串. :s/old/new //用new替换行中首次出现的old :s/old/new/g //用new替换行中所有的old :n,m s/old/new/g //用new替换从n到m行里所有的old :%s/old/new/g //用new替换当前文件里所有的old
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