Regular expressions - JavaScript

A Regular Expression – or regex for short– is a syntax that allows you to match strings with specific patterns.

Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects. Character classes · Assertions · RegExp.prototype.test() · Quantifiers

The REGEX function matches a string to a regular expression and returns true (1) if it matches and false (0) if it does not match. A regular expression is a ...

使用指定的比對選項和逾時間隔，在指定的輸入字串中搜尋所指定規則運算式的所有相符項目。 Matches(String, String, RegexOptions). 使用指定的比對選項在指定的輸入字串中， ...

Match(String). 搜尋指定的輸入字串，以尋找Regex 建構函式中指定的正則表示式第一次出現。 Match(String, Int32). 搜尋輸入字串中第一次出現的正則表示式，從字串中指定 ...

Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.

Just don't anchor your pattern: /Test/. The above regex will check for the literal string Test being found somewhere within it.

A RegEx, or Regular Expression, is a sequence of characters that forms a search pattern. RegEx can be used to check if a string contains the specified search ... Python PIP · Try it Yourself · Try it

A Regular Expression (or Regex) is a pattern (or filter) that describes a set of strings that matches the pattern. In other words, a regex accepts a certain set ...