Caret may refer to any of the following:
1. A caret is another name for a cursor.
2. Alternatively known as the circumflex, the caret is the symbol ( ^ ) above the 6 key on a standard United States qwerty keyboard. In mathematics, the caret represents an exponent, such as a square, cube, or another exponential power. For example, 6^3, which may also be represented as 63 or 6 * 6 * 6.
Where is the caret key on the keyboard?
Below is an overview of a computer keyboard with the caret key highlighted in blue.
How to create the ^ symbol
Creating the ^ symbol on a U.S. keyboard
Creating the ^ symbol on a smartphone or tablet
What a caret is used for on a computer?
Using a caret for shorthand for Ctrl
Computer documentation may list commands such as ^X, ^C, ^Z, etc. as a notation or short way of saying Ctrl-X, Ctrl-C, Ctrl-Z, etc. In other words, press and hold the Control or Ctrl key and then press the letter following the caret to do the keyboard shortcut.
Using a caret in programming and regular expressions
Carets can be used in computer programming languages for various reasons. For example, in Perl, a user may use the below regular expression to replace the first character in the variable "myvariable" with an uppercase character. Many programs that support regular expressions (regex) use ^ to match the first character in a line or string.
$myvariable =~ s/^(\w)/\U$1/g;
In C-style programming languages, the caret is used for a bitwise XOR.
The caret key is used in keyboard shortcuts like Ctrl+Shift+^.
Using a caret in chat
Someone may type several carets in chat (e.g., ^^, ^^^, or ^^^^^^^) to tell others to read the above line or what someone said above is true.