JavaScript – RegExp \udddd Metacharacter
December 21, 2022
The JavaScript RegExp \udddd metacharacters matches Unicode characters specified by a hexadecimal number (dddd).
JavaScript – RegExp \v Metacharacter
December 21, 2022
The JavaScript RegExp \v metacharacter matches vertical tabs.
JavaScript – RegExp \w Metacharacter
December 21, 2022
The JavaScript RegExp \w metacharacter matches word characters: a-z, A-Z, 0-9, including _ (underscore).
JavaScript – RegExp \W Metacharacter
December 21, 2022
The JavaScript RegExp \w metacharacter matches non-word characters: a-z, A-Z, 0-9, including _ (underscore).
JavaScript – RegExp \xxx Metacharacter
December 21, 2022
The JavaScript RegExp \xxx metacharacters matches the Latin character by an octal number (xxx).
JavaScript – RegExp \xdd Metacharacter
December 21, 2022
The JavaScript RegExp \xdd metacharacters matches Latin characters specified by a hexadecimal number (dd).
JavaScript – RegExp ?=n Quantifier
December 26, 2022
The JavaScript RegExp ?=n quantifier matches any string that is followed by a specific string n.
JavaScript – RegExp n+ Quantifier
December 26, 2022
The JavaScript RegExp n+ quantifier matches any string that contains at least one n.
JavaScript – RegExp ^n Quantifier
December 26, 2022
The JavaScript RegExp ^n quantifier matches any string with n at the beginning of it.
JavaScript – RegExp n* Quantifier
December 26, 2022
The JavaScript RegExp n* quantifier matches any string that contains zero or more occurrences of n.
JavaScript – RegExp n? Quantifier
December 26, 2022
The JavaScript RegExp n? quantifier matches any string that contains zero or one occurrences of n.
JavaScript – RegExp ?!n Quantifier
December 26, 2022
The JavaScript RegExp ?!n quantifier matches any string that is not followed by a specific string n.
JavaScript – RegExp n$ Quantifier
December 26, 2022
The JavaScript RegExp n$ quantifier matches any string with n at the end of it.
JavaScript – RegExp n{X} Quantifier
December 23, 2022
The JavaScript RegExp n{X} quantifier matches any string that contains a sequence of X n’s. X must be a number.
JavaScript – RegExp n{X,} Quantifier
December 26, 2022
The JavaScript RegExp n{X,} quantifier matches any string that contains a sequence of at least X n’s. X must be a number.
JavaScript – RegExp n{X,Y} Quantifier
December 23, 2022
The JavaScript RegExp n{X,Y} quantifier matches any string that contains a sequence of X to Y n’s. Both X and Y must be a number.
JavaScript – RegExp constructor Property
December 27, 2022
The JavaScript RegExp constructor Property returns the function that created the RegExp prototype.
JavaScript – RegExp global Property
December 27, 2022
The JavaScript RegExp global property returns “true” if the g modifier is set, and “false” if it is not set.
JavaScript – RegExp ignoreCase Property
December 27, 2022
The JavaScript RegExp ignoreCase property returns “true” if the i modifier is set, and “false” if it is not set.
JavaScript – RegExp exec() Method
December 27, 2022
The JavaScript RegExp exec() method tests for a match in a string. If a match is found, it returns a result array, otherwise it returns null.
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