includes?

added
1.8

ns
clojure.string

type
function

(includes? s substr)

True if s includes substr.

                ;; String-oriented alternative to regular-expression functions in core
(string/includes? "clojure" "cl")
;;=> true

;; Does *not* work with regular expressions!
(string/includes? "clojure" #"cl")
;;=> java.util.regex.Pattern cannot be cast to java.lang.CharSequence
;;   (java.lang.ClassCastException)