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  2. Regular expression - Wikipedia

    en.wikipedia.org/wiki/Regular_expression

    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.

  3. Comparison of regular expression engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_regular...

    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

  4. Javascript regular expressions aren’t that daunting — here’s ...

    www.aol.com/javascript-regular-expressions-aren...

    Different uses of regular expressions When working with regular expressions we're basically working with the RegExp object methods, or with string methods which allow us to interact with regular ...

  5. JavaScript - Wikipedia

    en.wikipedia.org/wiki/JavaScript

    This is an accepted version of this page This is the latest accepted revision, reviewed on 15 December 2024. High-level programming language Not to be confused with Java (programming language), Javanese script, or ECMAScript. JavaScript Screenshot of JavaScript source code Paradigm Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented Designed by Brendan Eich of ...

  6. ECMAScript version history - Wikipedia

    en.wikipedia.org/wiki/ECMAScript_version_history

    Based on JavaScript 1.2 as implemented in Netscape Navigator 4.0. [2] Added regular expressions, better string handling, new control statements, try/catch exception handling, tighter definition of errors, formatting for numeric output, and other enhancements Mike Cowlishaw: 4 Abandoned (last draft 30 June 2003) ECMAScript 4 (ES4)

  7. Help:Searching/Regex - Wikipedia

    en.wikipedia.org/wiki/Help:Searching/Regex

    The expression regex denotes a regular expression in MediaWiki-flavored regular expression syntax. Use regexes responsibly. Because regex searching scans each page ...

  8. Category:Regular expressions - Wikipedia

    en.wikipedia.org/wiki/Category:Regular_expressions

    Pages in category "Regular expressions" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. ...

  9. JavaScript syntax - Wikipedia

    en.wikipedia.org/wiki/JavaScript_syntax

    The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .