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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
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All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
If youre a programmer new to regular expressions, this easytofollow guide is a great place to start. Youll learn the fundamentals stepbystep with the help of numerous examples, discovering firsthand how to match, extract, and transform text by matching specific words, characters, and patterns.Regular expressions are an essential part of a programmers toolkit, available in various Unix utlilities as well as programming languages such as Perl, Java, JavaScript, and C#. When youve finished this book, youll be familiar with the most commonly used syntax in regular expressions, and youll 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 commandline 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 zerowidth assertions and lookarounds Work with groups, backreferences, character classes, and quantifiers Use regular expressions to mark up plain text with HTML5
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This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
