{"product_id":"9781449338893","title":"Introducing Regular Expressions: Unraveling Regular Expressions, Step-by-Step","description":"\u003cp\u003eIf 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.\u003c\/p\u003e\u003cp\u003eRegular 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.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDiscover what regular expressions are and how they work\u003c\/li\u003e\n\u003cli\u003eLearn many of the differences between regular expressions used with command-line tools and in various programming languages\u003c\/li\u003e\n\u003cli\u003eApply simple methods for finding patterns in text, including digits, letters, Unicode characters, and string literals\u003c\/li\u003e\n\u003cli\u003eLearn how to use zero-width assertions and lookarounds\u003c\/li\u003e\n\u003cli\u003eWork with groups, backreferences, character classes, and quantifiers\u003c\/li\u003e\n\u003cli\u003eUse regular expressions to mark up plain text with HTML5\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"O'Reilly Media, Incorporated","offers":[{"title":"Default Title","offer_id":47140363600112,"sku":"9781449338893","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781449338893_p0.jpg?v=1763828677","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781449338893","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}