Regex Tester
general escape character with several uses. ^, assert start of subject (or line, in multiline mode). $, assert end of subject or before a terminating ...
regex101
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
RegExp.prototype.test() - JavaScript
2023年9月25日 — Description. Use test() whenever you want to know whether a pattern is found in a string. test() returns a boolean, unlike the String.prototype.
RegExr
Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.
Regular expression
A regular expression sometimes referred to as rational expression, is a sequence of characters that specifies a match pattern in text.
Regular expressions - JavaScript
2024年1月2日 — Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects. These ...
【學習筆記】JavaScript
正則表達式(Regular Expression),常簡寫為RegEx、RegExp 或RE,代表描述一種字 ... org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec):尋找並 ...
正規表示式
正規表示式(英語:Regular expression,常簡寫為regex、regexp或RE),又稱規律 ... Debuggex: Online visual regex tester. JavaScript, Python, and PCRE. (頁面 ...