RegExp constructor Property in JavaScript

The constructor property is used for returning the function that created the RegExp prototype. It return is function RegExp() { [native code] }

RegExp global in JavaScript

The global property is used for specifying whether the g modifier is set or not. If it is set then it will return true or else false.

RegExp ignoreCase in JavaScript

The ignoreCase property is used for specifying whether i modifier is set or not. If it is set then it will return true or else false.

lastIndex Property in JavaScript

The lastIndex property is used for specifying the index at which to start the next match. It will return an integer that is used to specify character position immediately after the last match is found.

multiline Property in JavaScript

The multiline property is used for specifying whether the m modifier is set or not. It will return true if set else false.

source Property in JavaScript

The source property is used to return the text of the RegExp pattern.

RegExp exec() in JavaScript

The exec() method is used to test for a match in a string. If a match is found, it will return a result array else it will return null.

RegExp test() in JavaScript

The test() method is used to test for a match in a string. If a match is found, it will return true or else false.

RegExp toString() in JavaScript

The toString() method is used to return the string value of the regular expression.

RegExp g Modifier in JavaScript

The g modifier is used for specifying the global match. In this modifier, it will find all matches but compared to only the first match.

RegExp i Modifier in JavaScript

The i modifier is used for specifying the case-insensitive match. In this, it will ignore cases like capital or small and just search for the specified value

RegExp m Modifier in JavaScript

The m modifier is used for specifying the multiline match. In this, $ is used to specify the match at end of the string while ^ is used to specify the match at the start of the string.

RegExp Group [abc] in JavaScript

Brackets [abc] are used for specifying matches for the characters inside the brackets. Brackets may contain groups, single characters, etc.

RegExp Group [^abc] in JavaScript

Brackets [^abc] are used to specify matches for any character NOT between the brackets. Brackets may contain groups, single characters, etc.

RegExp Group [0-9] in JavaScript

The [0-9] bracket expression is used to find any character between the brackets. The numbers inside brackets specify nunbers from 0 to 9.

RegExp Group [^0-9] in JavaScript

The [^0-9] bracket expression is used to find any character that is not a digit. The numbers inside brackets specify numbers from 0 to 9.

RegExp Group (x|y) in JavaScript

The (x|y) expression is used for finding any of the alternatives specified. It can be any character.

RegExp . Metacharacter in JavaScript

The . metacharacter is used for matching any character except line terminators or newline.

RegExp w Metacharacter in JavaScript

The w metacharacter is used to match word characters. Word characters are from a-z, A-Z, 0-9.

RegExp W Metacharacter in JavaScript

The W metacharacter is used for matching non-word characters. Word characters are from a-z, A-Z, 0-9.

RegExp d Metacharacter in JavaScript

The d metacharacter is used for matching digits from 0 to 9.

RegExp D Metacharacter in JavaScript

The D metacharacter is used for matching non-digits characters.

RegExp s Metacharacter in JavaScript

The s metacharacter is used for matching the whitespace characters.

RegExp S Metacharacter in JavaScript

The S metacharacter is used for matching non-whitespace characters.

RegExp b Metacharacter in JavaScript

The b metacharacter is used for matching at the beginning or end of a word. For beginning we use b{word} while for end we use {word}b.

RegExp B Metacharacter in JavaScript

The B metacharacter is used for matching not at the beginning or end of a word. For searching, not a beginning we use B{word} while for searching not at the end we use {word}B.

RegExp 0 Metacharacter in JavaScript

The 0 metacharacter is used for matching NULL characters.

RegExp n Metacharacter in JavaScript

The n character is used for matching newline characters.

RegExp f Metacharacter in JavaScript

The f metacharacter is used for matching form feed characters.

RegExp r Metacharacter in JavaScript

The r metacharacter is used for matching carriage return characters.

RegExp t Metacharacter in JavaScript

The t metacharacter is used for matching the horizontal tabs.

RegExp v Metacharacter in JavaScript

The v metacharacter is used for matching vertical tab characters.

RegExp xxx Metacharacter in JavaScript

The xxx metacharacters are used for matching the Latin character by an octal number.

RegExp xdd Metacharacter in JavaScript

The xdd metacharacters are used for matching Latin characters specified by a hexadecimal number.

RegExp udddd Metacharacter in JavaScript

The udddd metacharacters are used for matching Unicode characters specified by a hexadecimal number.

RegExp + Quantifier in JavaScript

The n+ quantifier is used for matching any string that contains at least one n.

RegExp * Quantifier in JavaScript

The n* quantifier is used for matching any string that contains zero or more occurrences of n.

RegExp ? Quantifier in JavaScript

The n? quantifier is used for matching any string that contains zero or one occurrence of n.

RegExp {X} Quantifier in JavaScript

The n{X} quantifier is used for matching any string that contains a sequence of X. In it, X must be a number.

RegExp {X,Y} Quantifier in JavaScript

The n{X,Y} quantifier is used for matching any string that contains a sequence of X to Y. In it, X and Y must be a number.

RegExp {X,} Quantifier in JavaScript

The n{X,} quantifier is used for matching any string that contains a sequence of at least X. In it, X must be a number.

RegExp $ Quantifier in JavaScript

The n$ quantifier is used for matching any string with n at the end of it. Its opposite quantifier is ^n.

RegExp ^ Quantifier in JavaScript

The ^n quantifier is used for matching any string with n at the beginning of it. Its opposite quantifier is n$.

RegExp ?= Quantifier in JavaScript

The ?=n quantifier is used for matching any string that is followed by a specific string n. Its opposite is ?!n.

RegExp ?! Quantifier in JavaScript

The ?!n quantifier is used for matching any string that is not followed by a specific string n. Its opposite is ?=n.

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JavaScript RegExp Properties and Methods

Home >> JavaScript >> JavaScript RegExp Properties and Methods

List of JavaScript RegExp Properties and Methods

RegExp constructor Property in JavaScript	The constructor property is used for returning the function that created the RegExp prototype. It return is function RegExp() { [native code] }
RegExp global in JavaScript	The global property is used for specifying whether the g modifier is set or not. If it is set then it will return true or else false.
RegExp ignoreCase in JavaScript	The ignoreCase property is used for specifying whether i modifier is set or not. If it is set then it will return true or else false.
lastIndex Property in JavaScript	The lastIndex property is used for specifying the index at which to start the next match. It will return an integer that is used to specify character position immediately after the last match is found.
multiline Property in JavaScript	The multiline property is used for specifying whether the m modifier is set or not. It will return true if set else false.
source Property in JavaScript	The source property is used to return the text of the RegExp pattern.
RegExp exec() in JavaScript	The exec() method is used to test for a match in a string. If a match is found, it will return a result array else it will return null.
RegExp test() in JavaScript	The test() method is used to test for a match in a string. If a match is found, it will return true or else false.
RegExp toString() in JavaScript	The toString() method is used to return the string value of the regular expression.
RegExp g Modifier in JavaScript	The g modifier is used for specifying the global match. In this modifier, it will find all matches but compared to only the first match.
RegExp i Modifier in JavaScript	The i modifier is used for specifying the case-insensitive match. In this, it will ignore cases like capital or small and just search for the specified value
RegExp m Modifier in JavaScript	The m modifier is used for specifying the multiline match. In this, $ is used to specify the match at end of the string while ^ is used to specify the match at the start of the string.
RegExp Group [abc] in JavaScript	Brackets [abc] are used for specifying matches for the characters inside the brackets. Brackets may contain groups, single characters, etc.
RegExp Group [^abc] in JavaScript	Brackets [^abc] are used to specify matches for any character NOT between the brackets. Brackets may contain groups, single characters, etc.
RegExp Group [0-9] in JavaScript	The [0-9] bracket expression is used to find any character between the brackets. The numbers inside brackets specify nunbers from 0 to 9.
RegExp Group [^0-9] in JavaScript	The [^0-9] bracket expression is used to find any character that is not a digit. The numbers inside brackets specify numbers from 0 to 9.
RegExp Group (x\|y) in JavaScript	The (x\|y) expression is used for finding any of the alternatives specified. It can be any character.
RegExp . Metacharacter in JavaScript	The . metacharacter is used for matching any character except line terminators or newline.
RegExp \w Metacharacter in JavaScript	The \w metacharacter is used to match word characters. Word characters are from a-z, A-Z, 0-9.
RegExp \W Metacharacter in JavaScript	The \W metacharacter is used for matching non-word characters. Word characters are from a-z, A-Z, 0-9.
RegExp \d Metacharacter in JavaScript	The \d metacharacter is used for matching digits from 0 to 9.
RegExp \D Metacharacter in JavaScript	The \D metacharacter is used for matching non-digits characters.
RegExp \s Metacharacter in JavaScript	The \s metacharacter is used for matching the whitespace characters.
RegExp \S Metacharacter in JavaScript	The \S metacharacter is used for matching non-whitespace characters.
RegExp \b Metacharacter in JavaScript	The \b metacharacter is used for matching at the beginning or end of a word. For beginning we use \b{word} while for end we use {word}\b.
RegExp \B Metacharacter in JavaScript	The \B metacharacter is used for matching not at the beginning or end of a word. For searching, not a beginning we use \B{word} while for searching not at the end we use {word}\B.
RegExp \0 Metacharacter in JavaScript	The \0 metacharacter is used for matching NULL characters.
RegExp \n Metacharacter in JavaScript	The \n character is used for matching newline characters.
RegExp \f Metacharacter in JavaScript	The \f metacharacter is used for matching form feed characters.
RegExp \r Metacharacter in JavaScript	The \r metacharacter is used for matching carriage return characters.
RegExp \t Metacharacter in JavaScript	The \t metacharacter is used for matching the horizontal tabs.
RegExp \v Metacharacter in JavaScript	The \v metacharacter is used for matching vertical tab characters.
RegExp \xxx Metacharacter in JavaScript	The \xxx metacharacters are used for matching the Latin character by an octal number.
RegExp \xdd Metacharacter in JavaScript	The \xdd metacharacters are used for matching Latin characters specified by a hexadecimal number.
RegExp \udddd Metacharacter in JavaScript	The \udddd metacharacters are used for matching Unicode characters specified by a hexadecimal number.
RegExp + Quantifier in JavaScript	The n+ quantifier is used for matching any string that contains at least one n.
RegExp * Quantifier in JavaScript	The n* quantifier is used for matching any string that contains zero or more occurrences of n.
RegExp ? Quantifier in JavaScript	The n? quantifier is used for matching any string that contains zero or one occurrence of n.
RegExp {X} Quantifier in JavaScript	The n{X} quantifier is used for matching any string that contains a sequence of X. In it, X must be a number.
RegExp {X,Y} Quantifier in JavaScript	The n{X,Y} quantifier is used for matching any string that contains a sequence of X to Y. In it, X and Y must be a number.
RegExp {X,} Quantifier in JavaScript	The n{X,} quantifier is used for matching any string that contains a sequence of at least X. In it, X must be a number.
RegExp $ Quantifier in JavaScript	The n$ quantifier is used for matching any string with n at the end of it. Its opposite quantifier is ^n.
RegExp ^ Quantifier in JavaScript	The ^n quantifier is used for matching any string with n at the beginning of it. Its opposite quantifier is n$.
RegExp ?= Quantifier in JavaScript	The ?=n quantifier is used for matching any string that is followed by a specific string n. Its opposite is ?!n.
RegExp ?! Quantifier in JavaScript	The ?!n quantifier is used for matching any string that is not followed by a specific string n. Its opposite is ?=n.

JavaScript RegExp Properties and Methods

List of JavaScript RegExp Properties and Methods

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