Google Analytics 4 now lets you modify and create events using regular expressions

Google Analytics 4 now supports creating and/or modifying events using regular expressions, regex. This can help you migrate destinations and event goals from Universal Analytics to Google Analytics 4 in a more programmatic fashion. Google said the new feature and options enable you to define conversions using regular expressions (regex) for web data streams. Google explained that to avoid using malformed regex that may impact your site performance, follow these best practices:Before you use regex, use other operators where possible (e.g., exact matches, contains). Here is a screenshot of this interface for using regular expressions: