What is metacharacter in JavaScript?

The . metacharacter is matches any character, except newline or other line terminators.

What are non word characters JavaScript?

Definition and Usage The \W metacharacter matches non-word characters: A word character is a character a-z, A-Z, 0-9, including _ (underscore).

What is the meaning of the T metacharacter?

The \t metacharacter matches horizontal tabs (tabulators).

What are whitespace characters in JavaScript?

Whitespace refers to characters which are used to provide horizontal or vertical space between other characters. Whitespace is often used to separate tokens in HTML, CSS, JavaScript, and other computer languages.

What is non word character in regular expression?

The uppercase counterpart \W (non-word-character) matches any single character that doesn’t match by \w (same as [^a-zA-Z0-9_] ). In regex, the uppercase metacharacter is always the inverse of the lowercase counterpart. \d (digit) matches any single digit (same as [0-9] ).

What is a Nonword character?

Non-word characters include characters other than alphanumeric characters ( – , – and – ) and underscore (_).

What is /[ w ]/ g regex?

[ and ] are the start and end of a character set. \W means “non-word”, as opposed to \w which will match a word. _ is the “_” character. / mark the beginning and end of a regular expression. g means it’s a global search.

What is a non whitespace character?

In word processing and digital typesetting, a non-breaking space, , also called NBSP, required space, hard space, or fixed space (though it is not of fixed width), is a space character that prevents an automatic line break at its position.

What are the different types of whitespace characters?

Space, tab, line feed (newline), carriage return, form feed, and vertical tab characters are called “white-space characters” because they serve the same purpose as the spaces between words and lines on a printed page — they make reading easier.

What is non-word regex?

What are non-word characters in regex?

Non-word characters include characters other than alphanumeric characters ( – , – and – ) and underscore (_). Here denotes any word character and denotes any non-word character. This is a regex only challenge. You are not required to write any code.

Which of these is not a metacharacter for a regular expression?

Solution(By Examveda Team) b: Matches a word boundary.