Regex Editor & Tester

Parses PHPDoc annotation tags (e.g., @param, @return, @author) into key/value pairs. It matches a literal @ followed by an alphanumeric tag name captured as 'key', then requires one or more whitespace characters, and captures the remaining text on the line as 'value'. Commonly used to extract documentation metadata from PHPDoc blocks, similar to how WordPress plugins read annotations for hooks, filters, or plugin headers.