As part of the bestselling Pocket Primer series, the goal of this book is to introduce readers to regular expressions in several technologies. It is intended for data scientists, data analysts, and others who want to understand regular expressions to perform various tasks. You will acquire an understanding of how to create an assortment of regular expressions, such as filtering data for strings containing uppercase or lowercase letters; matching integers, decimals, hexadecimal, and scientific numbers; and context-dependent pattern matching expressions. It includes REs with Python, R, bash, Perl, Java, and more. Companion files with source code are available for downloading from the publisher.

Features:
• Uses REs with Python, R, bash, Java, and more
• Packed with realistic examples and numerous commands
• Assumes the reader has no prior experience, but the topic is covered comprehensively enough to teach a pro some new tricks
• Includes companion files with all of the source code examples (download from the publisher)

ON THE COMPANION FILES (available from the publisher for downloading)

• Source code samples

作为畅销书《口袋入门》系列的一部分，本书的目标是向读者介绍几种技术中的正则表达式。它是为数据科学家、数据分析师和其他想要了解正则表达式来执行各种任务的人准备的。你将获得对如何创建各种正则表达式的理解，例如过滤含有大写或小写字母的字符串的数据；匹配整数、小数、十六进制和科学数字；以及依赖上下文的模式匹配表达。它包括与Python、R、bash、Perl、Java等的REs。带有源代码的配套文件可从出版商处下载。

特点。

- 使用Python、R、bash、Java等的REs

- 充满了现实的例子和大量的命令

- 假设读者没有任何经验，但该主题涵盖全面，足以教给专业人员一些新技巧

- 包括包含所有源代码实例的配套文件（从出版商处下载）。

关于配套文件（可从出版商处下载）

- 源代码示例