How to use variables/bbcode in a post?

[eviltrout (Robin Ward)]

Have you looked at the placeholder theme component?

Discourse Placeholder Forms theme component

Discourse Placeholder Theme Component This theme component will let you build dynamic documentation, by creating a form that replaces any occurrence of a =PATTERN= in your post with the value from a text or selectable input field. Usage [wrap=placeholder key=NAME description="Your name"][/wrap] [wrap=placeholder key=COUNTRY default=US defaults=FR,DE,US,CN,AU,CA][/wrap] Your email: =NAME=-=COUNTRY=@example.com This will result in: [14] This is used in mailing list Your email: =ZNAME=-…

It’s a less complicated version of what you are suggesting. Otherwise you are going to need to tap into our markdown engine to handle the replacements, but also make sure the engine has access to the information you need to replace on the client and server side. That part is tricky.