Is there a way or can I request a Feature which filters keys/names/definition by a regex?

[Charles Magid]

I'd like to be able to do

;;;(interactive)

M-x yas/find <return>    

;;; sample regex

link

                              

;;; Seen in mini buffer like ido or dropdown-list so I can choose...

Insert key: .._to (nested path plural) lt |.._to (nested path) lt |.._to (path plural) lt |.._to (path) lt |.._to model lt |.._to_function lf |stylesheet_link_tag slt