How do you test code that uses non-capturing groups?

keywords: non-capturing groups, regex, Perl, testing, code
description: This content explains how to test code that uses non-capturing groups in regex patterns in Perl.
<?php // Example of using non-capturing groups in regex $pattern = "/(?:foo|bar)\d+/"; // This will match 'foo123' or 'bar456' $subject = "foo123 bar456 foo789"; preg_match_all($pattern, $subject, $matches); print_r($matches); ?>

keywords: non-capturing groups regex Perl testing code

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