This quick guide to regular expressions is a condensed code and syntax reference for an
important programming technique. It demonstrates regex syntax in a well-organized format that
can be used as a handy reference showing you how to execute regexes in many languages
including JavaScript Python Java and C#. The Regex Quick Syntax Reference features short
focused code examples that show you how to use regular expressions to validate user input
split strings parse input and match patterns. Utilizing regular expressions to deal with
search replace and filtering data for backend coding is also covered. You won't find any
bloated samples drawn out history lessons or witty stories in this book. What you will find
is a language reference that is concise and highly accessible. The book is packed with useful
information and is a must-have for any programmer. What You Will Learn Formulate an expression
Work with arbitrary char classes disjunctions and operator precedence Execute regular
expressions and visualize using finite state machines Deal with modifiers including greedy and
lazy loops Handle substring extraction from regex using Perl 6 capture groups capture
substrings and reuse substrings Who This Book Is For If you have dealt with at least one
programming language chances are you know enough to understand regular expressions and the
examples in this book will help you develop proficiency.