Text Objects · Brackets
Change Around Brackets
Replace an entire bracketed expression.
ca includes the delimiters in the changed range. Use it when the replacement has a different shape or no grouping at all.
Use ca(, ca[, and ca{ in the editor beside this lesson. Practice is where you learn it, with the answer a click away; the Test is graded, unaided, and the only thing that marks this lesson complete.
Keys in this lesson
- ca(
- Change the parentheses and everything inside them
- ca[
- Change the square brackets and everything inside them
- ca{
- Change the braces and everything inside them
Practice to learn it. Test to prove it.
Practice keeps the answer a click away — endlessly in Free, or as a 15-goal run against par and your own best time in Timed. The Test gives you 8 goals with no hints and a keystroke budget on each; passing it is what marks this lesson complete.