Take the guesswork out using regular expressions to search and manipulate text. With this updated cookbook, you'll learn powerful new tricks, steer clear of flavor-specific gotchas, and save valuable time with this huge library of solutions to difficult, real-world problems.



Take the guesswork out using regular expressions to search and manipulate text. With this updated cookbook, you have access to hundreds of proven recipes for today's most popular programming languages - including C#, Java, JavaScript (including XRegExp), Perl, PHP, Python, Ruby, and VB.NET. As useful as regular expressions can be for programmers, their power doesn't come worry-free. This guide will deepen your understanding, no matter how much experience you have with this reliable tool. You'll learn powerful new tricks, steer clear of flavor-specific gotchas, and save valuable time with this huge library of solutions to difficult, real-world problems.Understand the basics of regular expressions through a concise tutorial Use regular expressions effectively in several programming and scripting languages Learn how to validate and format input Manage words, lines, special characters, and numerical values Find solutions for using regular expressions in URLs, paths, markup, and data exchange Discover the nuances of more advanced regex features Experience how regular expressions' APIs, syntax, and behavior differ from language to language Write better regular expressions for custom needs