Oct 4, 2023 · Assertions include boundaries, which indicate the beginnings and endings of lines and words, and other patterns indicating in some way that ...

Jan 2, 2024 · Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects.

Assertions · Character classes · A cheat sheet · RegExp.prototype.test()

Oct 4, 2023 · Assertions. Assertions include boundaries, which indicate the beginnings and endings of lines and words, and other patterns indicating in some ...

May 1, 2023 · The JavaScript Guide shows you how to use JavaScript and gives an overview of the language. If you need exhaustive information about a ...

Regular expressions · Introduction · Functions · JavaScript modules

Jan 2, 2024 · A regular expression (regex for short) allow developers to match strings against a pattern, extract submatch information, or simply test if ...

Backreference: \1, \2 · Character class escape · Capturing group · Character class

Mar 5, 2024 · JavaScript documentation of core language features (pure ECMAScript, for the most part) includes the following: The JavaScript guide; The ...

Dec 22, 2023 · The RegExp object is used for matching text with a pattern. For an introduction to regular expressions, read the Regular expressions chapter ...

Dec 1, 2023 · A regular expression generally matches from left to right. This is why lookahead and lookbehind assertions are called as such — lookahead ...

Oct 4, 2023 · A character class. Matches any one of the enclosed characters. You can specify a range of characters by using a hyphen, but if the hyphen ...

Sep 11, 2023 · A regular expression generally matches from left to right. This is why lookahead and lookbehind assertions are called as such — lookahead ...