Download Regular Expressions Cookbook by Jan Goyvaerts, Steven Levithan PDF

By Jan Goyvaerts, Steven Levithan

This cookbook offers greater than a hundred recipes that can assist you crunch info and manage textual content with common expressions. each programmer can locate makes use of for normal expressions, yet their strength doesn't come worry-free. Even professional clients usually be afflicted by terrible functionality, fake positives, fake negatives, or confusing insects. commonplace Expressions Cookbook bargains step by step directions for essentially the most universal projects concerning this software, with recipes for C#, Java, JavaScript, Perl, personal home page, Python, Ruby, and VB.NET.

With this publication, you'll:
Understand the fundamentals of standard expressions via a concise educational Use usual expressions successfully in different programming and scripting languages the best way to validate and structure enter deal with phrases, strains, specified characters, and numerical values locate ideas for utilizing common expressions in URLs, paths, markup, and knowledge alternate examine the nuances of extra complicated regex beneficial properties know how usual expressions' APIs, syntax, and behaviour vary from language to language Write higher ordinary expressions for customized needs.

Whether you're a beginner or an skilled consumer, standard Expressions Cookbook can assist deepen your wisdom of this exact and irreplaceable software. You'll study strong new tips, keep away from language-specific gotchas, and shop worthwhile time with this large library of confirmed options to tricky, real-world difficulties.

Show description

Read or Download Regular Expressions Cookbook PDF

Best programming books

Practical Ruby Gems

Useful Ruby gemstones is a entire advisor to using and developing Ruby Gems—ready-made Ruby code modules that may be simply extra to Ruby and Rails tasks. This e-book is perfect for Ruby programmers in addition to internet builders who use Rails and want to increase the performance in their tasks.

Decompiling Android

Decompiling Android seems to be on the explanation why Android apps could be decompiled to recuperate their resource code, what it potential to Android builders and the way you could shield your code from prying eyes. this can be additionally which will see how sturdy and undesirable Android apps are developed and the way to profit from them in construction your individual apps.

this is often changing into an more and more vital subject because the Android industry grows and builders are unwittingly freeing the apps with plenty of again doorways permitting humans to probably receive bank card details and database logins to back-end structures, as they don’t observe how effortless it truly is to decompile their Android code.      
* intensive exam of the Java and Android classification dossier buildings
* instruments and strategies for decompiling Android apps
* instruments and methods for shielding your Android apps

<h3>What you’ll learn</h3> * the best way to obtain an Android app and decompile it into its unique Java resource and HTML5 and CSS code
* the right way to defend your Android apps in order that others can't decompile it
* to spot strength security threats that at the moment exist and the way to prevent them  
* What instruments can be found to decompile and guard Android apps
* The constitution of a Java Classfile and an Android classfile
* How the normal JVM and the Dalvik JVM range
* the right way to create your individual Android decompiler and obfuscator
<h3>Who this booklet is for</h3>
This publication is for Android builders and their managers. It's additionally for hackers and hobbyist forms who desire to see how Android apps are developed as a way of studying tips to construct Android apps.

<h3>Table of Contents</h3><ol> * Laying the basis
* Ghost within the Machine 
* contained in the DEX dossier
* instruments of the alternate
* Decompiler layout
* Decompiler Implementation
* Case experiences
</ol>

Fast Software Encryption: Third International Workshop Cambridge, UK, February 21–23 1996 Proceedings

This publication constitutes the refereed complaints of the 3rd overseas Workshop on quick software program Encryption; this workshop used to be held along side this system on machine defense, cryptology, and coding conception on the Isaac Newton Institute in Cambridge, united kingdom in February 1996. The 18 revised papers awarded have been rigorously chosen for inclusion within the quantity by way of this system committee.

Generic Programming: IFIP TC2 / WG2.1 Working Conference Programming July 11–12, 2002, Dagstuhl, Germany

General programming is set making courses extra adaptable by means of making them extra common. regularly occurring courses frequently include non-traditional varieties of polymorphism; traditional courses are bought from them through definitely instantiating their parameters. against this with basic courses, the parameters of a general application are usually really wealthy in constitution; for instance, they're different courses, varieties or sort constructors, classification hierarchies, or maybe programming paradigms.

Additional resources for Regular Expressions Cookbook

Sample text

One is a plug-in for Eclipse, and the other is a plug-in for IntelliJ IDEA. com/tools/reanimator (Figure 1-7) won’t bring a dead regex back to life. Rather, it’s a fun little tool that shows a graphic representation of the finite state machines that a regular expression engine uses to perform a regular expression search. 16 | Chapter 1: Introduction to Regular Expressions reAnimator’s regex syntax is very limited. It is compatible with all the flavors discussed in this book. Any regex you can animate with reAnimator will work with any of this book’s flavors, but the reverse is definitely not true.

Com (Figure 1-6) offers an online regex tester. It’s a Java applet that runs in your browser. The Java 4 (or later) runtime needs to be installed on your computer. regex package to evaluate 14 | Chapter 1: Introduction to Regular Expressions Figure 1-6. com your regular expressions, which is new in Java 4. In this book, the “Java” regex flavor refers to this package. Type your regular expression into the Regular Expression box. Use the Flags menu to set the regex options you want. Three of the options also have direct checkboxes.

Allow an a or e to be used in each of the vowel positions. Create another regular expression to match a single hexadecimal character. Create a third regex to match a single character that is not a hexadecimal character. NET, Java, JavaScript, PCRE, Perl, Python, Ruby Discussion The notation using square brackets is called a character class. A character class matches a single character out of a list of possible characters. The three classes in the first regex match either an a or an e. They do so independently.

Download PDF sample

Rated 4.80 of 5 – based on 47 votes