Keyword Analysis & Research: how to get doi from url

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how to get doi from url	0.15	0.4	3075	90	23
how	0.44	0.5	5959	55	3
to	1.86	0.6	4679	53	2
get	1.97	1	3833	83	3
doi	0.56	0.9	7403	66	3
from	0.11	1	3591	51	4
url	1.85	1	8414	10	3

Keyword	CPC	PCC	Volume	Score
how to get doi from url	0.51	0.2	3804	58