vim-Casing Changer

The following references self-http://blog.csdn.net/yangzhongxuan/article/details/8484167 have verified the effect

Command one: Single character conversion (the letter where the cursor is located is converted)

~ Change the case of the letter under the cursor 3~ the 3 letters starting at the cursor position (Zhangshuli cursor in z 3~ zhangshuli)

Command two: Word conversion (from where the cursor is, to the end of the word)

Guw/gue from the beginning of the cursor to the end of a word, changing the lowercase

Guw/gue from the beginning of the cursor to the end of a word, changing the capitalization

Gu5w/gu5e from the beginning of the cursor to the end of 5 words, changing the capitalization

Command three: line case conversion

g~~ change the case of the current line letter
GU0 to uppercase from the cursor position to the beginning of the line
gu$ to uppercase from the cursor position to the end of the line

Command four: whole article case conversion

Gggug
gg= cursor to the first character of the file
Gu= the selected range all lowercase
g= to end of file

Case conversion in Visual mode

U  Change the selected letter in the visual mode to capital Letter U  to change the selected letter in the visual mode all to lowercase

vim-Casing Changer