Learning Regular Expressions

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Learning Regular Expressions

Author : Ben Forta
Publisher : Addison-Wesley Professional
ISBN 13 : 0134757041
Total Pages : 470 pages
Book Rating : 4.1/5 (347 download)

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Book Synopsis Learning Regular Expressions by : Ben Forta

Download or read book Learning Regular Expressions written by Ben Forta and published by Addison-Wesley Professional. This book was released on 2018-05-01 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Learn to use one of the most powerful text processing and manipulation tools available Regular expression experts have long been armed with an incredibly powerful tool, one that can be used to perform all sorts of sophisticated text processing and manipulation in just about every language and on every platform. That’s the good news. The bad news is that for too long, regular expressions have been the exclusive property of only the most tech savvy. Until now. Ben Forta's Learning Regular Expressions teaches you the regular expressions that you really need to know, starting with simple text matches and working up to more complex topics, including the use of backreferences, conditional evaluation, and look-ahead processing. You’ll learn what you can use, and you’ll learn it methodically, systematically, and simply. Regular expressions are nowhere near as complex as they appear to be at first glance. All it takes is a clear understanding of the problem being solved and how to leverage regular expressions to solve them. Read and understand regular expressions Use literal text and metacharacters to build powerful search patterns Take advantage of advanced regular expression features, including lookahead and backreferences Perform powerful search-and-replace operations in all major professional editing tools Add sophisticated form and text processing to web applications Search for files using command-line tools like grep and egrep Use regular expressions in programming languages like JavaScript, Java, PHP, Python, Microsoft .NET, and C#, as well as in DBMSs including MySQL and Oracle Work with phone numbers, postal codes, social security numbers, IP addresses, URLs, email addresses, and credit card numbers Contents at a Glance 1 Introducing Regular Expressions 2 Matching Single Characters 3 Matching Sets of Characters 4 Using Metacharacters 5 Repeating Matches 6 Position Matching 7 Using Subexpressions 8 Using Backreferences 9 Looking Ahead and Behind 10 Embedding Conditions 11 Regular Expression Solutions to Common Problems Appendix A Regular Expressions in Popular Applications and Languages

Mastering Regular Expressions

Author : Jeffrey E. F. Friedl
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596002893
Total Pages : 492 pages
Book Rating : 4.0/5 (28 download)

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Book Synopsis Mastering Regular Expressions by : Jeffrey E. F. Friedl

Download or read book Mastering Regular Expressions written by Jeffrey E. F. Friedl and published by "O'Reilly Media, Inc.". This book was released on 2002 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduces regular expressions and how they are used, discussing topics including metacharacters, nomenclature, matching and modifying text, expression processing, benchmarking, optimizations, and loops.

Regular Expressions Cookbook

Author : Jan Goyvaerts
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449327486
Total Pages : 612 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Regular Expressions Cookbook by : Jan Goyvaerts

Download or read book Regular Expressions Cookbook written by Jan Goyvaerts and published by "O'Reilly Media, Inc.". This book was released on 2012-08-13 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Take the guesswork out of using regular expressions. With more than 140 practical recipes, this cookbook provides everything you need to solve a wide range of real-world problems. Novices will learn basic skills and tools, and programmers and experienced users will find a wealth of detail. Each recipe provides samples you can use right away. This revised edition covers the regular expression flavors used by C#, Java, JavaScript, Perl, PHP, Python, Ruby, and VB.NET. You’ll learn powerful new tricks, avoid flavor-specific gotchas, and save valuable time with this huge library of practical solutions. Learn regular expressions basics through a detailed tutorial Use code listings to implement regular expressions with your language of choice Understand how regular expressions differ from language to language Handle common user input with recipes for validation and formatting Find and manipulate words, special characters, and lines of text Detect integers, floating-point numbers, and other numerical formats Parse source code and process log files Use regular expressions in URLs, paths, and IP addresses Manipulate HTML, XML, and data exchange formats Discover little-known regular expression tricks and techniques

Mastering Regular Expressions

Author : Jeffrey E.F. Friedl
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449332536
Total Pages : 542 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Mastering Regular Expressions by : Jeffrey E.F. Friedl

Download or read book Mastering Regular Expressions written by Jeffrey E.F. Friedl and published by "O'Reilly Media, Inc.". This book was released on 2006-08-08 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Regular expressions are an extremely powerful tool for manipulating text and data. They are now standard features in a wide range of languages and popular tools, including Perl, Python, Ruby, Java, VB.NET and C# (and any language using the .NET Framework), PHP, and MySQL. If you don't use regular expressions yet, you will discover in this book a whole new world of mastery over your data. If you already use them, you'll appreciate this book's unprecedented detail and breadth of coverage. If you think you know all you need to know about regularexpressions, this book is a stunning eye-opener. As this book shows, a command of regular expressions is an invaluable skill. Regular expressions allow you to code complex and subtle text processing that you never imagined could be automated. Regular expressions can save you time and aggravation. They can be used to craft elegant solutions to a wide range of problems. Once you've mastered regular expressions, they'll become an invaluable part of your toolkit. You will wonder how you ever got by without them. Yet despite their wide availability, flexibility, and unparalleled power, regular expressions are frequently underutilized. Yet what is power in the hands of an expert can be fraught with peril for the unwary. Mastering Regular Expressions will help you navigate the minefield to becoming an expert and help you optimize your use of regular expressions. Mastering Regular Expressions, Third Edition, now includes a full chapter devoted to PHP and its powerful and expressive suite of regular expression functions, in addition to enhanced PHP coverage in the central "core" chapters. Furthermore, this edition has been updated throughout to reflect advances in other languages, including expanded in-depth coverage of Sun's java.util.regex package, which has emerged as the standard Java regex implementation.Topics include: A comparison of features among different versions of many languages and tools How the regular expression engine works Optimization (major savings available here!) Matching just what you want, but not what you don't want Sections and chapters on individual languages Written in the lucid, entertaining tone that makes a complex, dry topic become crystal-clear to programmers, and sprinkled with solutions to complex real-world problems, Mastering Regular Expressions, Third Edition offers a wealth information that you can put to immediateuse. Reviews of this new edition and the second edition: "There isn't a better (or more useful) book available on regular expressions." --Zak Greant, Managing Director, eZ Systems "A real tour-de-force of a book which not only covers the mechanics of regexes in extraordinary detail but also talks about efficiency and the use of regexes in Perl, Java, and .NET...If you use regular expressions as part of your professional work (even if you already have a good book on whatever language you're programming in) I would strongly recommend this book to you." --Dr. Chris Brown, Linux Format "The author does an outstanding job leading the reader from regexnovice to master. The book is extremely easy to read and chock full ofuseful and relevant examples...Regular expressions are valuable toolsthat every developer should have in their toolbox. Mastering RegularExpressions is the definitive guide to the subject, and an outstandingresource that belongs on every programmer's bookshelf. Ten out of TenHorseshoes." --Jason Menard, Java Ranch

Introducing Regular Expressions

Author : Michael Fitzgerald
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 1449338895
Total Pages : 154 pages
Book Rating : 4.4/5 (493 download)

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Book Synopsis Introducing Regular Expressions by : Michael Fitzgerald

Download or read book Introducing Regular Expressions written by Michael Fitzgerald and published by "O'Reilly Media, Inc.". This book was released on 2012-07-10 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you’re a programmer new to regular expressions, this easy-to-follow guide is a great place to start. You’ll learn the fundamentals step-by-step with the help of numerous examples, discovering first-hand how to match, extract, and transform text by matching specific words, characters, and patterns. Regular expressions are an essential part of a programmer’s toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#. When you’ve finished this book, you’ll be familiar with the most commonly used syntax in regular expressions, and you’ll understand how using them will save you considerable time. Discover what regular expressions are and how they work Learn many of the differences between regular expressions used with command-line tools and in various programming languages Apply simple methods for finding patterns in text, including digits, letters, Unicode characters, and string literals Learn how to use zero-width assertions and lookarounds Work with groups, backreferences, character classes, and quantifiers Use regular expressions to mark up plain text with HTML5

Beginning Regular Expressions

Author : Andrew Watt
Publisher : John Wiley & Sons
ISBN 13 : 0764574892
Total Pages : 770 pages
Book Rating : 4.7/5 (645 download)

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Book Synopsis Beginning Regular Expressions by : Andrew Watt

Download or read book Beginning Regular Expressions written by Andrew Watt and published by John Wiley & Sons. This book was released on 2005-02-04 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supported by all major databases, scripting languages, and programming languages, regular expressions are powerful "wild-card" text-processing tools used by programmers to find, validate, modify, or edit information Covering a wide range of languages and databases-including JavaScript, ASP.

JavaScript: The Good Parts

Author : Douglas Crockford
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596554877
Total Pages : 174 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis JavaScript: The Good Parts by : Douglas Crockford

Download or read book JavaScript: The Good Parts written by Douglas Crockford and published by "O'Reilly Media, Inc.". This book was released on 2008-05-08 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most programming languages contain good and bad parts, but JavaScript has more than its share of the bad, having been developed and released in a hurry before it could be refined. This authoritative book scrapes away these bad features to reveal a subset of JavaScript that's more reliable, readable, and maintainable than the language as a whole—a subset you can use to create truly extensible and efficient code. Considered the JavaScript expert by many people in the development community, author Douglas Crockford identifies the abundance of good ideas that make JavaScript an outstanding object-oriented programming language-ideas such as functions, loose typing, dynamic objects, and an expressive object literal notation. Unfortunately, these good ideas are mixed in with bad and downright awful ideas, like a programming model based on global variables. When Java applets failed, JavaScript became the language of the Web by default, making its popularity almost completely independent of its qualities as a programming language. In JavaScript: The Good Parts, Crockford finally digs through the steaming pile of good intentions and blunders to give you a detailed look at all the genuinely elegant parts of JavaScript, including: Syntax Objects Functions Inheritance Arrays Regular expressions Methods Style Beautiful features The real beauty? As you move ahead with the subset of JavaScript that this book presents, you'll also sidestep the need to unlearn all the bad parts. Of course, if you want to find out more about the bad parts and how to use them badly, simply consult any other JavaScript book. With JavaScript: The Good Parts, you'll discover a beautiful, elegant, lightweight and highly expressive language that lets you create effective code, whether you're managing object libraries or just trying to get Ajax to run fast. If you develop sites or applications for the Web, this book is an absolute must.

Mastering Python Regular Expressions

Author : Félix López
Publisher : Packt Publishing Ltd
ISBN 13 : 1783283165
Total Pages : 158 pages
Book Rating : 4.7/5 (832 download)

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Book Synopsis Mastering Python Regular Expressions by : Félix López

Download or read book Mastering Python Regular Expressions written by Félix López and published by Packt Publishing Ltd. This book was released on 2014-02-21 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: A short and straight to the point guide that explains the implementation of Regular Expressions in Python. This book is aimed at Python developers who want to learn how to leverage Regular Expressions in Python. Basic knowledge of Python is required for a better understanding.

Handling Strings with R

Author : Gaston Sanchez
Publisher : Gaston Sanchez
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4./5 ( download)

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Book Synopsis Handling Strings with R by : Gaston Sanchez

Download or read book Handling Strings with R written by Gaston Sanchez and published by Gaston Sanchez. This book was released on 2021-02-25 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to help you get started with handling strings in R. It provides an overview of several resources that you can use for string manipulation. It covers useful functions in packages "base" and "stringr", printing and formatting characters, regular expressions, and other tricks.

Learning Java

Author : Patrick Niemeyer
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 9780596002855
Total Pages : 836 pages
Book Rating : 4.0/5 (28 download)

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Book Synopsis Learning Java by : Patrick Niemeyer

Download or read book Learning Java written by Patrick Niemeyer and published by "O'Reilly Media, Inc.". This book was released on 2002 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: This updated edition introduces the basics of Java and everything necessary to get up to speed on the new 1.4 version quickly. CD contains the Java 2 SDK for Windows, Linux and Solaris.

Regular Expression Pocket Reference

Author : Tony Stubblebine
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596514271
Total Pages : 129 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Regular Expression Pocket Reference by : Tony Stubblebine

Download or read book Regular Expression Pocket Reference written by Tony Stubblebine and published by "O'Reilly Media, Inc.". This book was released on 2007-07-18 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: A guide to the syntax and semantics of regular expressions for Perl 5.8, Ruby, Java, PHP, C#, .NET, Python, JavaScript, and PCRE.

JavaScript Regular Expressions

Author : Loiane Groner
Publisher : Packt Publishing Ltd
ISBN 13 : 1783282266
Total Pages : 112 pages
Book Rating : 4.7/5 (832 download)

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Book Synopsis JavaScript Regular Expressions by : Loiane Groner

Download or read book JavaScript Regular Expressions written by Loiane Groner and published by Packt Publishing Ltd. This book was released on 2015-05-28 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is ideal for JavaScript developers and programmers who work with any type of user entry data and want sharpen their skills to become experts.

Java Regular Expressions

Author : Mehran Habibi
Publisher : Apress
ISBN 13 : 1430207094
Total Pages : 265 pages
Book Rating : 4.4/5 (32 download)

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Book Synopsis Java Regular Expressions by : Mehran Habibi

Download or read book Java Regular Expressions written by Mehran Habibi and published by Apress. This book was released on 2008-01-01 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expert author Habibi offers a look at what regular expressions are and how to use the Java library to process them. His book uses plenty of examples to show typical and atypical uses of the library, thus becoming a powerful learning tool. For instance, comprehensive examples for each and every regex method and class are given, along with advice on their appropriate use and performance considerations.

Intuitive Python

Author : David Muller
Publisher : Pragmatic Bookshelf
ISBN 13 : 9781680508239
Total Pages : 130 pages
Book Rating : 4.5/5 (82 download)

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Book Synopsis Intuitive Python by : David Muller

Download or read book Intuitive Python written by David Muller and published by Pragmatic Bookshelf. This book was released on 2021-10-05 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developers power their projects with Python because it emphasizes readability, ease of use, and access to a meticulously maintained set of packages and tools. The language itself continues to improve with every release: writing in Python is full of possibility. But to maintain a successful Python project, you need to know more than just the language. You need tooling and instincts to help you make the most out of what's available to you. Use this book as your guide to help you hone your skills and sculpt a Python project that can stand the test of time. No matter your experience level or background, Python's batteries-included standard library and rich third-party ecosystem provide a solid foundation to build your projects on. With the right intuition and background knowledge, you can take advantage of all the power Python offers. Take a guided tour of some of Python's high points to craft a project that you can sustain and build on for a long time. Run static analysis tools to detect and eliminate classes of bugs before you run code. Experiment with Python's concurrency model and develop patterns for using Python's thread and process abstractions to their full potential. Introduce yourself to Python's type hinting system: mypy. Download and run third-party Python packages and do so safely without compromising on security. Debug code using Python's built in debugger, and try procedures out in the interactive console. Run your code under new versions of the Python interpreter to unlock performance and usability improvements. All along the way, sharpen your Python instincts so you can keep your code clean and reduce the chance of bugs. Mine Python for all you can by playing to its strengths and embracing patterns that harness its potential. What You Need: The books assumes you have some experience programming in any language (not necessarily Python). To run the code presented in the book, you'll need a Python environment which you can download from https: //www.python.org/downloads/.

Beautiful Code

Author : Greg Wilson
Publisher : "O'Reilly Media, Inc."
ISBN 13 : 0596554672
Total Pages : 621 pages
Book Rating : 4.5/5 (965 download)

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Book Synopsis Beautiful Code by : Greg Wilson

Download or read book Beautiful Code written by Greg Wilson and published by "O'Reilly Media, Inc.". This book was released on 2007-06-26 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: How do the experts solve difficult problems in software development? In this unique and insightful book, leading computer scientists offer case studies that reveal how they found unusual, carefully designed solutions to high-profile projects. You will be able to look over the shoulder of major coding and design experts to see problems through their eyes. This is not simply another design patterns book, or another software engineering treatise on the right and wrong way to do things. The authors think aloud as they work through their project's architecture, the tradeoffs made in its construction, and when it was important to break rules. This book contains 33 chapters contributed by Brian Kernighan, KarlFogel, Jon Bentley, Tim Bray, Elliotte Rusty Harold, Michael Feathers,Alberto Savoia, Charles Petzold, Douglas Crockford, Henry S. Warren,Jr., Ashish Gulhati, Lincoln Stein, Jim Kent, Jack Dongarra and PiotrLuszczek, Adam Kolawa, Greg Kroah-Hartman, Diomidis Spinellis, AndrewKuchling, Travis E. Oliphant, Ronald Mak, Rogerio Atem de Carvalho andRafael Monnerat, Bryan Cantrill, Jeff Dean and Sanjay Ghemawat, SimonPeyton Jones, Kent Dybvig, William Otte and Douglas C. Schmidt, AndrewPatzer, Andreas Zeller, Yukihiro Matsumoto, Arun Mehta, TV Raman,Laura Wingerd and Christopher Seiwald, and Brian Hayes. Beautiful Code is an opportunity for master coders to tell their story. All author royalties will be donated to Amnesty International.

Learn C the Hard Way

Author : Zed A. Shaw
Publisher : Addison-Wesley Professional
ISBN 13 : 0133124371
Total Pages : 931 pages
Book Rating : 4.1/5 (331 download)

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Book Synopsis Learn C the Hard Way by : Zed A. Shaw

Download or read book Learn C the Hard Way written by Zed A. Shaw and published by Addison-Wesley Professional. This book was released on 2015-08-10 with total page 931 pages. Available in PDF, EPUB and Kindle. Book excerpt: You Will Learn C! Zed Shaw has crafted the perfect course for the beginning C programmer eager to advance their skills in any language. Follow it and you will learn the many skills early and junior programmers need to succeed–just like the hundreds of thousands of programmers Zed has taught to date! You bring discipline, commitment, persistence, and experience with any programming language; the author supplies everything else. In Learn C the Hard Way, you’ll learn C by working through 52 brilliantly crafted exercises. Watch Zed Shaw’s teaching video and read the exercise. Type his code precisely. (No copying and pasting!) Fix your mistakes. Watch the programs run. As you do, you’ll learn what good, modern C programs look like; how to think more effectively about code; and how to find and fix mistakes far more efficiently. Most importantly, you’ll master rigorous defensive programming techniques, so you can use any language to create software that protects itself from malicious activity and defects. Through practical projects you’ll apply what you learn to build confidence in your new skills. Shaw teaches the key skills you need to start writing excellent C software, including Setting up a C environment Basic syntax and idioms Compilation, make files, and linkers Operators, variables, and data types Program control Arrays and strings Functions, pointers, and structs Memory allocation I/O and files Libraries Data structures, including linked lists, sort, and search Stacks and queues Debugging, defensive coding, and automated testing Fixing stack overflows, illegal memory access, and more Breaking and hacking your own C code It’ll Be Hard at First. But Soon, You’ll Just Get It–And That Will Feel Great! This tutorial will reward you for every minute you put into it. Soon, you’ll know one of the world’s most powerful programming languages. You’ll be a C programmer.

Regular Expressions

Author : Oswald Campesato
Publisher : Mercury Learning and Information
ISBN 13 : 168392228X
Total Pages : 306 pages
Book Rating : 4.6/5 (839 download)

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Book Synopsis Regular Expressions by : Oswald Campesato

Download or read book Regular Expressions written by Oswald Campesato and published by Mercury Learning and Information. This book was released on 2018-06-04 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: As part of the bestselling Pocket Primer series, the goal of this book is to introduce readers to regular expressions in several technologies. It is intended for data scientists, data analysts, and others who want to understand regular expressions to perform various tasks. You will acquire an understanding of how to create an assortment of regular expressions, such as filtering data for strings containing uppercase or lowercase letters; matching integers, decimals, hexadecimal, and scientific numbers; and context-dependent pattern matching expressions. It includes REs with Python, R, bash, Perl, Java, and more. Companion files with source code are available for downloading from the publisher. Features: • Uses REs with Python, R, bash, Java, and more • Packed with realistic examples and numerous commands • Assumes the reader has no prior experience, but the topic is covered comprehensively enough to teach a pro some new tricks • Includes companion files with all of the source code examples (download from the publisher) ON THE COMPANION FILES (available from the publisher for downloading) • Source code samples