How does regex best practices interact with Unicode and encodings?

Understanding how regex interacts with Unicode and encodings is essential for developing robust applications that handle text data from various languages and character sets. This best practice ensures that your regular expressions work as intended, regardless of the input text.

Regex, Unicode, Encodings, Best Practices, Regular Expressions, Text Processing

Here's an example of how to use regex with Unicode in Perl:


            // Example of using regex with Unicode in PHP
            $string = "Café, résumé, naïve";
            // Match all words with accents
            preg_match_all('/\p{L}+/u', $string, $matches);
            print_r($matches[0]);