Shortcodes API for Drupal 8 provides shortcodes filter framework and API (application programming interface). It’s perfect to display custom content using simple shortcodes.
The Shortcodes API for Drupal 8 is a simple set of methods for creating Drupal 8 shortcodes for use in text fields, modules and themes.
The API enables developers to create special kinds of content that users can attach to certain content by adding the corresponding shortcode into the text fields or processing it in a theme’s or a module’s methods.
The API handles all the tricky parsing, eliminating the need for writing a custom regular expression for each shortcode. Helper functions are included for setting and fetching default attributes. The API supports both, self-closing and enclosing shortcodes.