Introducing Regular Expressions (RE) by Practicing

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

This course will base on the nice book, and shows you how to write Regular Expressions through examples.

The goals is to make learning regular expressions as easy as possible.

This is the foundation (or entry) course for this topic, feel free to check other related courses after you finish this one.