cl-search

cl-search is an autoloaded compiled Lisp function in `cl-seq.el'.

(cl-search SEQ1 SEQ2 [KEYWORD VALUE]...)

Search for SEQ1 as a subsequence of SEQ2.
Return the index of the leftmost element of the first match found;
return nil if there are no matches.

Keywords supported: :test :test-not :key :start1 :end1 :start2 :end2 :from-end