Abstract: Regular expressions can describe specific matching rules, which can be used to determine the string format or extract the string content. Until now, regular expressions have been widely used ...

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Perl versus Python, these two languages have been raising much noise. Both of them are old languages, traced back several decades, aimed at serving different purposes with their features. Contrary to ...

Abstract: Regular expressions are used for diverse purposes, including input validation and firewalls. Unfortunately, they can also lead to a security vulnerability called ReDoS (Regular Expression ...

In this 60 minute tutorial I will explain how to use named capture regular expressions to extract data from several different kinds structured text data. For additional reading see my R journal ...