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Everything about Caret notation

Notation for control characters; consists of a caret (^) and a letter

Caret notation is a notation for control characters in ASCII. The notation assigns ^A to control-code 1, sequentially through the alphabet to ^Z assigned to control-code 26. For the control-codes outside of the range 1–26, the notation extends to the adjacent, non-alphabetic ASCII characters; for example ^@ is used for control-code 0. Wikipedia →

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Noun A notation where each control character is represented by a caret followed by a letter or symbol.

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