What does the caret symbol do in JavaScript?
Note that some programming languages use the caret symbol ^ for exponentiation, but JavaScript uses that symbol for the bitwise logical XOR operator.
What does the caret mean in regex?
When it’s inside [] but not at the start, it means the actual ^ character. When it’s escaped ( \^ ), it also means the actual ^ character. In all other cases it means start of the string / line (which one is language / setting dependent). So in short: Anywhere else -> start of string / line.
What does a carrot mean in regex?
If a caret ( ^ ) is at the beginning of the entire regular expression, it matches the beginning of a line. If a dollar sign ( $ ) is at the end of the entire regular expression, it matches the end of a line.
What is the caret symbol called?
the circumflex
1. A caret is another name for a cursor. Alternatively referred to 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.
Why is it called a caret?
The caret was originally and continues to be used in handwritten form as a proofreading mark to indicate where a punctuation mark, word, or phrase should be inserted into a document. The term comes from the Latin caret, “it lacks”, from carēre, “to lack; to be separated from; to be free from”.
What does dot mean in regex?
For example, in regular expressions, the dot (.) is a special character used to match any one character. In written language, the period (.) is used to indicate the end of a sentence.
What does the up carrot mean?
To indicate something that has been mentioned already. In the online chatting world, caret is used for various purposes – · To reply to someone’s post just above your post. · To refer to a previous comment or chat again. · To agree to a comment by another person.
What does the caret symbol look like?
2. Alternatively referred to 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.
What does caret symbol mean?
The caret (/ˈkærɪt/) is a V-shaped grapheme, usually inverted and sometimes extended, used in proofreading and typography to indicate that additional material needs to be inserted at this point in the text. There is a similar mark, ^, that has a variety of uses in programming, mathematics and other contexts.
What does the caret symbol ^ mean in a regular expression?
The Caret Symbol (^) You can use the caret symbol (^) at the start of a regular expression to indicate that a match must occur at the beginning of the searched text. If we apply the following…
What is the caret (^) character used for?
The Caret (^) character is also referred to by the following terms: It has two uses in regular expressions: If used immediately after a square bracket ( [^) it acts to negate the set of allowed characters (i.e. [123] means the character 1, 2, or 3 is allowed, whilst the statement [^123] means any character other than 1, 2, or 3 is allowed.
How do you use caret in a string?
Another typical use case for caret is matching empty lines (or an empty string if the multi-line modifier is turned off). In order to match an empty line (multi-line on ), a caret is used next to a $ which is another anchor character representing the position at the end of line ( Anchor Characters: Dollar ($) ).
How do I match a caret character outside a character class?
If you want to match the caret character itself outside a character class, you need to escape it: This prevents the ^ being interpreted as the anchor character representing the beginning of the string/line. While many people think that ^ means the start of a string, it actually means start of a line. For an actual start of string anchor use, \\A.
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