clojure.string/replace does not match pattern matched by re-seq

Question

Why does clojure.string/replace not match the \"[^\"]+\" pattern while re-seq does?

(re-seq #"\"[^\"]+\"" "ab,\"helo,bro\",yo")
=> ("\"helo,bro\"")       

(clojure.string/replace "ab,\"helo,bro\",yo" #"\"[^\"]+\”" "") 
=> "ab,\"helo,bro\",yo"

I would expect replace to delete the matched pattern. What am I missing here?

Thanks for insight.

Shlomi · Accepted Answer · 2016-09-19 18:45:02Z

2

Your regex are (probably unintentionally) different: in the replace option you used \” instead of \".

If you use the same exact regex it will work as expected:

(def r #"\"[^\"]+\"")

(re-seq r "ab,\"helo,bro\",yo")
=> ("\"helo,bro\"")

(clojure.string/replace "ab,\"helo,bro\",yo" r "") 
=> "ab,,yo"

answered Sep 19, 2016 at 18:45

Shlomi

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