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 1  ~ wikipedia.org
Regular expression - Wikipedia, the free encyclopediaIn theoretical computer science and formal language theory, a regular expression (abbreviated regex or regexp) and sometimes called a rational expression is a ... ‎Regular language - ‎Kleene star - ‎Comparison of regular ... - ‎Stephen Cole Kleene
 2  +1 regexr.com
RegExr: Learn, Build, & Test RegExRegular expression tester with syntax highlighting, contextual help, video tutorial, reference, and searchable community patterns.
 3  -1 regular-expressions.info
Regular-Expressions.info - Regex Tutorial, Examples and Comprehensive resource with a focus on the regex features supported by RegexBuddy. Features tutorial, flavor comparison, books, tools written by the author.
 4  +7 regexpal.com
Regex TesterRegex Pal 0.1.4 — a JavaScript regular expression tester · For Android (NEW) · RegexBuddy · Regex book · Version History · Blog. Global (g); Case insensitive (i )
 5  +1 python.org
7.2. re — Regular expression operations — Python 2.7.8 This module provides regular expression matching operations similar to those found in Perl. Both patterns and strings to be searched can be Unicode strings as  ...
 7  -3 microsoft.com
Regex Class (System.Text.RegularExpressions) - MSDN - MicrosoftRepresents an immutable regular expression .To browse the .NET Framework source code for this type, see the Reference ...
 9  +3 w3schools.com
JavaScript RegExp Reference - W3SchoolsA regular expression is an object that describes a pattern of characters. Regular expressions are used to perform pattern-matching and "search-and-replace" ...
 10  +36 regxlib.com
Regular Expression LibraryWelcome to RegExLib.com, the Internet's first Regular Expression Library. Currently we have indexed 4714 expressions from 2198 contributors around the world ...
 12  +1 weitz.de
The Regex Coach - interactive regular expressions - Edi WeitzAbstract. Made with Lisp The Regex Coach is a graphical application for Windows which can be used to experiment with (Perl-compatible) regular expressions ...
 13  +3 mongodb.org
$ regex — MongoDB Manual 2.6.4The $ regex operator provides regular expression capabilities for pattern matching strings in queries. MongoDB uses Perl compatible regular expressions (i.e. ...
 14  ~ perl.org
perlre - perldoc.perl.orgRegular expression modifiers are usually written in documentation as e.g., "the /x modifier", even though the delimiter in question might not really be a slash.
 15  +42 regexhero.net
The .NET Regex Tester | Regex HeroValidate and benchmark your .NET regular expressions here in this lightweight Silverlight application. Your regular expression matches will be highlighted as ...
 16  +3 oracle.com
Pattern (Java Platform SE 7 ) - Oracle DocumentationA regular expression , specified as a string, must first be compiled into an instance of this class. The resulting pattern can then be used to create a Matcher object ...
 17  +4 regexcrossword.com
Regex Crossword: ChallengesWelcome to the fantastic world of nerdy regex fun! Start playing by selecting one of the puzzle challenges below. There are a wide range of difficulties from ...
 19  -1 learncodethehardway.org
Learn Code The Hard Way -- Books And Courses To Learn To CodeIntroducing Learn Regex The Hard Way. If you run into strings like "\s+.?(?i)a+b?" and your eyes glaze over like a pair of old fashioned donuts, then this book is ...
 20  -10 mozilla.org
Regular Expressions - JavaScript | MDNRegular expression literals provide compilation of the regular expression when the script is loaded. When the regular expression will remain ...
 21  -4 regex.info
Jeffrey Friedl's Web SitesOfficial page for O'Reilly book by Jeffrey Friedl. Includes table of contents, index and code.
 22  +25 rexegg.com
Regex Cheat Sheet - RexEggThe tables below are a reference to basic regex . While reading the rest of the site , when in doubt, you can always come back and look here. (It you want a ...
 23  -1 symfony.com
Regex (The Symfony Reference)The regular expression to test for this would be /^\w+/ , indicating that you're looking for at least one or more word characters at the beginning of your string:.
 24  +2 php.net
PHP: PCRE - ManualRegex section of the PHP manual. Covers PCRE engine, pattern syntax, PHP functions, and includes user comments.
 25  +4 alf.nu
Regex GolfWarmup — Type a regex in the box. You get ten points per match (or lose ten, if you match something you shouldn't); each character costs one point. Perfect!
 26  -19 vogella.com
Java Regex - Tutorial - VogellaThe process of analyzing or modifying a text with a regex is called: The regular expression is applied to the text (string) . The pattern defined by ...
 27  +4 wordpress.org
WordPress › Search Regex « WordPress PluginsSearch Regex adds a powerful set of search and replace functions to WordPress. These go beyond the standard searching capabilities, and allow you to search ...
 28  +24 readthedocs.org
Regular Expression Syntax — OSSEC 2.8 documentationOR_Regex/ regex Syntax¶. Fast and simple library for regular expressions in C. This library is designed to be simple, but support the most common regular ...
 29  -2 xkcd.com
xkcd: Regex GolfRegex Golf. |< · < Prev · Random · Next > · >|. Regex Golf. |< · < Prev · Random · Next > · >|. Permanent link to this comic:
 30  -2 stackoverflow.com
Newest ' regex ' Questions - Stack OverflowRegular expressions (often shortened to " regex ") are expressions written in a declarative language used for matching patterns within strings. General reference: ...
 31  -6 cplusplus.com
< regex > - C++ Reference - Cplusplus.comThe standard C++ library provides support for regular expressions in the < regex > header through a series of operations. All these operations make use of some ...
 32  -23 zytrax.com
Tech Stuff - Regular Expressions - A Gentle User Guide and TutorialA Regular Expression is the term used to describe a codified method of searching invented, or defined, by the American mathematician ...
 34  +15 boost.org
Perl Regular Expression Syntax - 1.50.0 - BoostThe Perl regular expression syntax is based on that used by the programming language Perl . Perl regular expressions are the default behavior in Boost. Regex  ...
 36  -2 visca.com
Regex Dictionary by Lou Hevly - Viscaby Lou Hevly (See also the Diccionari Regex in Catalan and the DACCO Regex Dictionary). Introduction | Step-by-step tutorial | Examples | Previous searches ...
 37  -1 dlang.org
std. regex - D Programming Language - Digital MarsRegular expressions are a commonly used method of pattern matching on strings , with regex being a catchy word for a pattern in this domain specific language.
 38  +44 die.net
regex (3): POSIX regex functions - Linux man pagePOSIX regex compiling regcomp() is used to compile a regular expression into a form that is suitable for subsequent regexec() searches.
 40  -16 delorie.com
RegexRegex . [Top], [Contents], [Index], [ ? ] Table of Contents. 1. Overview · 2. Regular Expression Syntax · 2.1 Syntax Bits · 2.2 Predefined Syntaxes · 2.3 Collating ...
 41  -9 regexbuddy.com
RegexBuddy: Learn, Create, Understand, Test, Use and Save Clearly understand complex regexes written by others. Quickly test any regex on sample strings and files, preventing mistakes on actual data. Debug without ...
 42  +59 phpliveregex.com
PHP Live RegexNext »End tour. Your regular expression ... options: i case insensitive m make dot match newlines x ignore whitespace in regex o perform #{...} substitutions only ...
 43  +13 ethz.ch
R: Regular Expressions as used in RThis help page documents the regular expression patterns supported by grep and related functions grepl , regexpr , gregexpr , sub and gsub , as well as by ...
 45  +5 ruby-doc.org
Class: Regexp (Ruby 2.1.2) - Ruby-Doc.orgA Regexp holds a regular expression , used to match a pattern against strings. Regexps are created using the /
 47  +53 atom.io
regex -railroad-diagram - Atomregex -railroad-diagram package. A regular expression railroad diagram view for regular expression under cursor. This is still in development and for me it is a ...
 48  +28 plover.com
How Regexes Work - Perl ParaphernaliaThis isn't an article about how to use regexes ; you've probably seen plenty of those already. It's about how you would write a regex package from scratch, in a ...
 49  -12 pythonregex.com
Python Regex ToolA web-based python regular expression tool for rapidly testing regular expressions. Includes support for python regex specific functions such as dotall and ...
 50  -7 autohotkey.com
Regular Expressions ( RegEx ) - Quick Reference - AutoHotkeyMatch anywhere: By default, a regular expression matches a substring anywhere inside the string to be searched. For example, the regular expression abc ...
 51  -9 ipython.org
xkcd 1313: Regex Golf - NBViewer - IPythonSo no regular expression could both match and not match "Nixon". I could only assume that Randall meant for these names to be winners and not losers (and in  ...
 52  -1 ultrapico.com
Expresso Regular Expression Tool - UltrapicoThe premier regular expression development tool. The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular ...
 53  +14 osteele.com
reWork: a regular expression workbench - Oliver SteelePattern: A regular expression , without surrounding characters. For example, a*b ... Input: A string that is matched against the regular expression . For example, ab  ...
 54  -10 codehaus.org
Groovy - Regular ExpressionsFor matchers having groups, matcher[index] is either a matched String or a List of matched group Strings. import java.util. regex .Matcher import java.util. regex .
 55  +36 gnu.org
regex - GNU Project ArchivesYou can get newer versions of GNU regex , our regular expression matcher, from a GNU libc tarball. The files you need are posix/ regex .c and posix/ regex .h. Icon ...
 57  +5 opengroup.org
Regular Expressions - The Open GroupThe Basic Regular Expression (BRE) notation and construction rules in Basic Regular Expressions shall apply to most utilities supporting regular expressions.
 58  -3 emacswiki.org
EmacsWiki: Regular ExpressionA regular expression (abbreviated “regexp” or sometimes just “re”) is a search- string with wildcards – and more. It is a pattern that is matched against the text to  ...
 59  +41 jetbrains.com
Regular Expression Syntax Reference - JetBrainsIf a part of a regular expression is enclosed in parentheses, that part of the regular expression is grouped together. Thus a regex operator can be applied to the ...