Vim's text object

The text object of Vim is made up of two characters, and the first character is always i or a . In general, text objects that start with the text i selected inside the delimiter, and the a text object that begins with the selection, selects the entire text, including the delimiter. In order to facilitate memory, you can think of it i as "inside" and think of it a as "around" or "all". Vim's text object is mainly used to enlarge the selection, and it will be extremely powerful to combine it with visual mode or surround, and some common text objects are listed below.

Text Object	Select Area
a) or AB	Pair of parentheses
i) or IB	Inside parentheses
A} or AB	A pair of curly braces
i} or IB	Curly braces Inside
At	A pair of XML tags
It	Inside the XML tag
Aw	Current Word and a space
Iw	Current word
AW	Current string and a space
IW	Current string
As	Current sentence and a space
Is	Current sentence
Ap	Current paragraph and a blank line
Ip	Current paragraph

The text object can also be combined with the corresponding action, such as d delete, y copy.

Vim's text object