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Regular Expression Flavor Comparison – Detailed comparison of the most popular regular expression flavors; Regexp Syntax Summary; Online Regular Expression Testing – with support for Java, JavaScript, .Net, PHP, Python and Ruby; Implementing Regular Expressions – series of articles by Russ Cox, author of RE2; Regular Expression Engines
A regular expression (shortened as regex or regexp), [1] sometimes referred to as rational expression, [2] [3] is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for "find" or "find and replace" operations on strings , or for input validation .
JavaScript (/ ˈ dʒ ɑː v ə s k r ɪ p t /), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior. [10] Web browsers have a dedicated JavaScript engine that executes the client code.
This happens when a regular expression has three properties: the regular expression applies repetition (+, *) to a subexpression; the subexpression can match the same input in multiple ways, or the subexpression can match an input string which is a prefix of a longer possible match;
Unlike keyword searching, regex searching is by default case-sensitive, does not ignore punctuation, and operates directly on the page source (MediaWiki markup) rather than on the rendered contents of the page. To perform a regex search, use the ordinary search box with the syntax insource:/regex/ or intitle:/regex/.
Standalone or as JS engine in Node.js [2] JavaScript engine originally developed by Microsoft for use in its Edge browser. Released source under MIT License in January 2016. [3] CouchDB: SpiderMonkey: Standalone HTTP: Used in MapReduce and update validation functions as well as to transform JSON documents and view results into HTML or other ...
JavaScript (client), Java (server) Dojo Toolkit: Yes Push Dojo Toolkit Hibernate JUnit Hibernate Spring Security (formerly Acegi), role-based access control: Dojo Toolkit Dojo Toolkit Regular expression, schema-driven validation Project Language Ajax MVC framework MVC push-pull i18n & L10n? ORM Testing framework(s) DB migration framework(s)
JS script, designed for Timeless, which brings useful links directly accessible in the main page and remove useless links. N/A: N/A: mobileUndo : Adds an undo button to the mobile diff interface. 46: 13: RC Patroller : Adds a portlet to the sidebar that shows a regularly updated list of recent changes. 95: 8: Timeless New Message Highlight