Converting markdown to HTML in a playbook (using Jinja)

To compose and send email from FortiSOAR, a conversion is needed form Markdown (FortiSOAR's richtext format) to HTML. Below is an example of playbook jinja that converts basic Markdown syntax to HTML. It can be extended to add additional markdown elements should they be required.

{{ 
  vars.markdownText
  | regex_replace('\#\#\#\s*(.*)', '<h3>\\1</h3>')
  | regex_replace('\#\#\s*(.*)', '<h2>\\1</h2>')
  | regex_replace('\#\s*(.*)', '<h1>\\1</h1>')
  | regex_replace('\*\*(.*?)\*\*', '<bold>\\1</bold>')
  | regex_replace('\*(.*?)\*', '<em>\\1</em>')
  | regex_replace('\~\~(.*?)\~\~', '<del>\\1</del>')
  | regex_replace('!\[image\]\((.*)\)', '<img src="\\1" />')
  | regex_replace('\[(.*)\]\((.*)\)', '<a href="\\2">\\1</a>')
  | replace('\n', '<br />') 
}}