Tinymce uses regex to figure out what type of html it needs to embed
based on the url content. Any url containing the word "vimeo", followed
by any characters, followed by numbers, will be typed as iframe and
embedded as iframe html. However, vimeo allows
Tinymce uses regex to figure out what type of html it needs to embed based on the url content. Any url containing the word "vimeo", followed by any characters, followed by numbers, will be typed as iframe and embedded as iframe html. However, vimeo allows